CN219943659U - Impurity-removing anti-blocking combined cleaning sieve - Google Patents

Abstract

The utility model discloses a cleaning sieve with a combined impurity removal and anti-blocking function, which comprises a cylindrical sieve structure, wherein the cylindrical sieve structure comprises an outer shell, the left side wall of the outer shell is rotationally connected with the cylindrical sieve through a rotating shaft, a fixed scraping plate is further arranged on the top wall of the outer shell, the lower end face of the fixed scraping plate is in contact with a cylindrical sieve cylinder, a vibrating and beating structure for impacting the cylindrical sieve cylinder is further arranged in the outer shell, the vibrating and beating structure comprises a movable plate, the movable plate is hinged to the fixed scraping plate, the lower end of the movable plate is provided with an elastic plate, the elastic plate is in contact with the cylindrical sieve cylinder, the movable plate is obliquely arranged relative to the fixed scraping plate, a cam structure is arranged on the left side wall of the outer shell, and a cam of the cam structure intermittently jacks up the movable plate. The fixed scraping plate is arranged, so that the fixed scraping plate can scrape materials at the positions of the clamping meshes, the blocking of the materials is prevented, meanwhile, the vibration anti-blocking structure is arranged, the vibration anti-blocking structure is positioned in front of the fixed scraping plate, the integrity of the materials is guaranteed as much as possible, and the anti-blocking effect is good as a whole.

Description

Impurity-removing anti-blocking combined cleaning sieve

Technical Field

The utility model relates to the technical field of grain screening machinery, in particular to a combined cleaning screen capable of removing impurities and preventing blocking.

Background

Screening and impurity removal of grains is one of the main steps before grain warehousing, and aims to remove light impurities, dust and the like in the grains so as to ensure the cleanliness and quality of the grains and facilitate the storage of the grains. The existing grain screening mechanism comprises a vibrating screen and a cylindrical screen which are combined, when the cylindrical screen is used, materials are easy to squeeze and stack on the inner wall of the cylindrical screen, if the materials are not timely processed, the materials are likely to be blocked, and the screening mechanism is particularly characterized in that part of the materials are blocked in meshes of the screen of the cylindrical screen, once the materials are blocked in the meshes, the screening efficiency is reduced, and if the large area of the materials are blocked, the screening effect is also affected. In order to solve the problems, the prior Chinese patent utility model with the patent number of 202221291345.3 discloses an anti-blocking rotary screen for screening materials, which is characterized in that a rotary rod and a metal elastic sheet are additionally arranged to impact the side wall of the rotary screen so as to ensure that the materials cannot be blocked on meshes of the rotary screen. However, the structure is prevented from being blocked by vibration, and a small part of materials still need to be further processed when still clamped at the mesh openings under the vibration, on the other hand, the structure has low adjustability, and the structure cannot be adjusted and applied after the rotary screen with different sizes is replaced.

Disclosure of Invention

The utility model aims at overcoming the defects in the prior art, and provides a cleaning structure with good impurity removal and anti-blocking effects for a cylinder screen in a combined cleaning screen.

In order to achieve the purpose, the utility model discloses a combined cleaning sieve for removing impurities and preventing blocking, which adopts the following technical scheme:

the utility model provides a edulcoration prevents stifled combination clearance sieve, includes that cylinder sieve structure and shale shaker structure that lays from top to bottom and is linked together, cylinder sieve structure includes the shell body, be connected with the cylinder sieve through the pivot rotation on the left side wall of shell body, shell body roof right side is provided with the material import, and shell body diapire right side is provided with first miscellaneous export, the first miscellaneous exit is arranged in to cylinder sieve right-hand member, still is provided with the material export on the shell body diapire, and the material export communicates in the shale shaker structure, still laid fixed scraper blade on the shell body roof, fixed scraper blade lower extreme face and circular screen cylinder contact, still be provided with the vibration of clashing the circular screen cylinder in the shell body and clash the structure of clashing, the vibration structure of clashing includes the fly leaf, and the fly leaf articulates in fixed scraper blade, and the fly leaf lower extreme is provided with the elastic plate, and the elastic plate contacts with the circular screen cylinder, the fly leaf is laid for fixed scraper blade slope, be provided with cam structure on the shell body left side wall, cam jack-up of cam structure the fly leaf.

The utility model relates to a further improvement of a combined cleaning screen for removing impurities and preventing blocking, which is characterized in that a protective ring plate is arranged on the right side of a cylindrical screen, a material inlet is connected with a feeding pipe, and the feeding pipe extends into the cylindrical screen and faces the protective ring plate.

The utility model relates to a further improvement of a combined cleaning sieve for removing impurities and preventing blockage, which is characterized in that a second rotating shaft is arranged on the left side wall of an outer shell, belt pulley transmission structures are arranged on the second rotating shaft and the rotating shaft, and a cam is further arranged on the second rotating shaft.

The utility model relates to a further improvement of a combined cleaning sieve for removing impurities and preventing blocking, which is characterized in that a fixed scraping plate is arranged on an outer shell through a connecting piece, a plurality of mounting holes are vertically distributed on the connecting piece, the fixed scraping plate is fixedly connected with one of the mounting holes, a second rotating shaft is vertically and slidingly connected with the outer shell, a tensioning structure is further arranged on the outer shell, the tensioning structure comprises a tensioning wheel, the tensioning wheel is arranged between two belt pulleys of a belt pulley transmission structure, and the tensioning wheel is also transversely and slidingly connected with the left side wall of the outer shell.

Compared with the prior art, the utility model has the beneficial effects that:

1. the fixed scraping plate is arranged, so that the fixed scraping plate can scrape materials at the positions of the clamping meshes, the blocking of the materials is prevented, meanwhile, the vibration anti-blocking structure is arranged, the vibration anti-blocking structure is positioned in front of the fixed scraping plate, the integrity of the materials is guaranteed as much as possible, and the anti-blocking effect is good as a whole.

2. The utility model also provides a protection ring plate, which prevents the material from falling on the round screen cylinder directly by gravity, reduces the possibility of the material being blocked on the round screen cylinder, and indirectly ensures the anti-blocking effect.

Drawings

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

FIG. 2 is a schematic side elevational view of FIG. 1;

in the figure: the novel rotary screen comprises a shell body 1, a rotary shaft 2, a rotary screen cylinder 3, a material inlet 4, a primary impurity outlet 5, a material outlet 6, a fixed scraping plate 7, a movable plate 8, an elastic plate 9, a cam 10, a protective ring plate 11, a second rotary shaft 12, a belt pulley transmission structure 13 and a tensioning wheel 14.

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.

As shown in fig. 1 and 2, a edulcoration prevents stifled combination clearance sieve, including lay from top to bottom and cylinder screen structure and the shale shaker structure that is linked together, cylinder screen structure includes shell 1, is connected with cylinder screen 3 through pivot 2 rotation on the left side wall of shell, and cylinder screen carries out clockwise rotation according to the direction shown in fig. 2. The right side of the top wall of the outer shell is provided with a material inlet 4, the right side of the bottom wall of the outer shell is provided with a primary impurity outlet 5, the right end of the cylindrical screen is arranged at the primary impurity outlet, the bottom wall of the outer shell is also provided with a material outlet 6, and the material outlet is communicated with a vibrating screen structure which is a conventional structure of the cylindrical screen in the conventional combined screen. Further, a fixed scraping plate 7 is further arranged on the top wall of the outer shell, the lower end face of the fixed scraping plate is in contact with the round screen cylinder, and the length of the fixed scraping plate is equal to that of the round screen cylinder. Still be provided with the shake of clashing a round screen section of thick bamboo in the shell body and clash the structure of clapping, shake and clap the structure and include fly leaf 8, the fly leaf articulates in fixed scraper blade, and the fly leaf lower extreme is provided with elastic plate 9, and the elastic plate contacts with a round screen section of thick bamboo, and the fly leaf is laid for fixed scraper blade slope, is provided with cam structure on the shell body left wall, and cam 10 intermittent type of cam structure jack-up fly leaf. The movable plate is intermittently jacked up when the cam rotates, and the elastic plate can impact the round screen cylinder when the movable plate falls down again, so that the vibration anti-blocking effect is achieved.

Further, the right side of the cylinder screen is provided with a protection ring plate 11, the material inlet is connected with a feeding pipe, and the feeding pipe stretches into the cylinder screen to face the protection ring plate. The protection ring plate is arranged on the inner side of the cylinder screen, and when the material is fed, the protection ring plate can be impacted by the material first, so that the possibility that the material is blocked by the screen holes due to the fact that the material directly impacts the cylinder screen is prevented.

Further, a second rotating shaft 12 is arranged on the left side wall of the outer shell, a belt pulley transmission structure 13 is arranged on the second rotating shaft and the rotating shaft, and a cam is further arranged on the second rotating shaft. The reciprocating motion of the movable plate is realized by the transmission of the rotating shaft, so that the arrangement and use of the motor are reduced.

Further, the fixed scraper is mounted on the outer casing through a connecting piece (not shown in the figure), a plurality of mounting holes are vertically distributed on the connecting piece, the fixed scraper is fixedly connected with one of the mounting holes, the connecting piece can be two oppositely distributed vertical plates, a plurality of vertical mounting holes are formed in the vertical plates, the fixed scraper is arranged between the two vertical plates, and the position of the fixed scraper is adjusted by connecting a certain mounting hole so as to be applicable to different cylinder sieves. The second rotating shaft is vertically and slidably connected to the outer shell, specifically, the second rotating shaft can be rotationally connected to the fixing seat, the fixing seat is vertically and slidably connected to the outer shell again, and the sliding connection mode can be matched with the sliding rail of the sliding block and is fixed by the bolt piece. The outer shell is further provided with a tensioning structure, and specifically the tensioning structure comprises a tensioning wheel 14, the tensioning wheel is arranged between two pulleys of the pulley transmission structure, and the tensioning wheel is further transversely connected to the left side wall of the outer shell in a sliding mode. The tensioning wheel is arranged to play a role in tensioning the belt pulley transmission structure after the second rotating shaft is downwards adjusted, so that the stability of transmission is ensured.

The working principle of the utility model is as follows: grain enters the cylinder screen from the feeding pipe, firstly impacts the protective ring plate, reduces the possibility of material blocking holes when directly impacting the cylinder screen, then the cylinder screen rotates to screen primary impurities in the material, and drives the cam to rotate when the cylinder screen rotates, so that the movable plate is driven to reciprocally flap the cylinder screen, effective material blocking prevention can be realized, when the material is blocked in the mesh, vibration flapping is not used, the material is forced to be divided by the scraping plate and the mesh limiting force when passing through the scraping plate, and further the blocking prevention of the cylinder screen is ensured, and the whole blocking prevention effect is good; meanwhile, when the size of the round screen cylinder is changed, the fixed scraping plate and the cam can be adjusted, and the applicability is improved.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model 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.

Claims (4)

1. The utility model provides a edulcoration prevents stifled combination clearance sieve, includes that cylinder sieve structure and shale shaker structure that lay from top to bottom and be linked together, its characterized in that: the cylinder screen structure includes the shell body, be connected with the cylinder screen through the pivot rotation on the left side wall of shell body, shell body roof right side is provided with the material import, and shell body diapire right side is provided with and just miscellaneous export, the miscellaneous exit just is arranged in to cylinder screen right-hand member, still is provided with the material export on the shell body diapire, and the material export communicates in the shale shaker structure, still laid fixed scraper blade on the shell body roof, terminal surface and cylinder screen cylinder contact under the fixed scraper blade, still be provided with the vibration of clashing the cylinder screen cylinder in the shell body and clash the structure of clashing, the structure of clashing includes the fly leaf, and the fly leaf articulates in fixed scraper blade, and the fly leaf lower extreme is provided with the elastic plate, and the elastic plate is contacted with the cylinder screen cylinder, and the fly leaf is laid for the slope of fixed scraper blade, be provided with cam structure on the shell body left side wall, cam intermittent type jack-up of cam structure the fly leaf.

2. The impurity removal and anti-blocking combined cleaning screen according to claim 1, wherein: the cylinder screen right side is provided with the protection round plate, material inlet connection has the inlet pipe, the inlet pipe stretches into the cylinder screen and is opposite to the protection round plate.

3. The impurity removal and anti-blocking combined cleaning screen according to claim 1, wherein: a second rotating shaft is arranged on the left side wall of the outer shell, a belt pulley transmission structure is arranged on the second rotating shaft and the rotating shaft, and a cam is further arranged on the second rotating shaft.

4. The impurity removal and anti-blocking combined cleaning screen according to claim 3, wherein: the fixed scraping plate is installed in the outer shell through the connecting piece, a plurality of mounting holes are vertically distributed on the connecting piece, the fixed scraping plate is fixedly connected with one of the mounting holes, the second rotating shaft is vertically and slidably connected with the outer shell, a tensioning structure is further arranged on the outer shell, the tensioning structure comprises a tensioning wheel, the tensioning wheel is distributed between two pulleys of the pulley transmission structure, and the tensioning wheel is further transversely and slidably connected with the left side wall of the outer shell.