CN212652183U - High-efficiency double-cylinder precleaner - Google Patents

Abstract

The utility model relates to a screening installation of granule raw materials, concretely relates to high-efficient binocular precleaner. The screening machine comprises a housing, the feeder hopper, go out hopper and sieve section of thick bamboo, casing top one end is provided with the feeder hopper, the bottom is provided with out the hopper, inside sets up the sieve section of thick bamboo, sieve section of thick bamboo front end is higher than the rear end slope, sieve section of thick bamboo is including cylindrical interior sieve and the outer sieve of coaxial setting, be equipped with the splice bar between interior sieve and the outer sieve, interior sieve and outer sieve are formed through screw fixed connection by a plurality of sieve pieces, the sieve mesh of interior sieve is greater than the sieve mesh of outer sieve, interior sieve front end and feeder hopper intercommunication, interior sieve rear end and big miscellaneous export intercommunication, even interval is provided with a plurality of ash miscellaneous exports on the casing of outer sieve below, outer sieve rear end and play hopper intercommunication, the length of interior sieve is greater than the length of outer sieve, interior sieve both ends are stretched out the outer sieve both ends, first air separation mechanism is installed at the. The sieve piece is convenient to replace, the workload is reduced, and the working efficiency is improved.

Description

High-efficiency double-cylinder precleaner

Technical Field

The utility model relates to a screening installation of granule raw materials, concretely relates to high-efficient binocular precleaner.

Background

After grains such as corn, wheat and grains are mechanically threshed, the grains often contain a large amount of dust, lint, wheat bran and other impurities, which are not beneficial to airing, storage and deep processing of the grains, and the impurities are removed through a sieve body. The cylinder precleaner is used for a raw material precleaning part in the grain processing industry and can be used for removing impurities mixed in grains, so that the grains are prevented from being broken down and damaged in the subsequent cleaning, conveying and processing processes. The current common cleaning sieve in the market is disclosed in Chinese patent CN201329346Y, but has the following defects: 1. the screen body is troublesome to replace (a large screen sheet needs to be replaced), workers need to climb into the screen drum to disassemble screws to replace the screen body, and the workload is large; 2. the impurity removal efficiency is low.

SUMMERY OF THE UTILITY MODEL

Problem to above prior art, the utility model provides a high-efficient binocular precleaner can effectively clear up the debris in the grain granule.

The utility model discloses an adopt following technical scheme to realize:

a high-efficiency double-cylinder precleaner comprises a casing, a feed hopper, a discharge hopper and a screen cylinder, wherein the feed hopper is arranged at one end of the top of the casing, the discharge hopper is arranged at the bottom of the casing, the screen cylinder is arranged inside the casing, the front end of the screen cylinder is higher than the rear end of the screen cylinder and inclines, the screen cylinder comprises a cylindrical inner screen and a cylindrical outer screen which are coaxially arranged, a connecting rib is arranged between the inner screen and the outer screen, the inner screen and the outer screen are formed by fixedly connecting a plurality of screen sheets through screws, the screen holes of the inner screen are larger than the screen holes of the outer screen, the front end of the inner screen is communicated with the feed hopper, the rear end of the inner screen is communicated with a large impurity outlet, a plurality of ash impurity outlets are uniformly arranged on the casing below the outer screen at intervals, the rear end of the outer screen is communicated with the discharge hopper, the length of the inner screen is larger than that of the outer screen, two ends of, and a second air separation mechanism is arranged below the discharge hopper.

An observation door is arranged on the casing.

The second winnowing mechanism adopts a strong air suction device.

The utility model has the advantages that:

1. the utility model discloses inner tube, urceolus adopt different sieve piece sieve mesh sizes, come the rate of selecting out of control material, change big sieve piece into by a plurality of little sieve pieces to constitute, compare with the conventional art, conveniently change the sieve piece, reduced work load, improved work efficiency;

2. the observation door is arranged around the casing, so that the screen sheet at any part in the screen drum can be conveniently replaced, the screen sheet disassembling screw is arranged at the periphery of the screen drum, a person only needs to stand outside the casing to operate, the time and the cost are saved for manufacturers, and the screen sheet can be replaced by a single small screen sheet aiming at different materials;

3. two air suction devices are arranged, one is positioned at the top of the cylinder body and used for sucking out light impurities such as dust and the like when materials flow in the cylinder body; the other part is arranged below the discharge hopper, and the strong air suction device is used for sucking out other substances with specific gravity lower than that of the full particle materials, so that ash content in the materials can be effectively reduced, and the pressure of subsequent equipment is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a side view of the present invention.

In the figure: 1. the device comprises a feed hopper, 2, a shell, 3, an inner sieve, 4, an outer sieve, 5, an ash impurity outlet, 6, a second air separation mechanism, 7, a big impurity outlet, 8, a discharge hopper, 9 and a first air separation mechanism.

Detailed Description

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

Referring to fig. 1-2, a high-efficiency double-cylinder precleaner comprises a casing 2, a feed hopper 1, a discharge hopper 8 and a screen cylinder, wherein one end of the top of the casing 2 is provided with the feed hopper 1, the bottom of the casing is provided with the discharge hopper 8, the screen cylinder is arranged inside the casing, the front end of the screen cylinder is higher than the rear end of the screen cylinder, the screen cylinder comprises a cylindrical inner screen 3 and a cylindrical outer screen 4 which are coaxially arranged, a connecting rib is arranged between the inner screen 3 and the outer screen 4, the inner screen 3 and the outer screen 4 are formed by fixedly connecting a plurality of screen sheets through screws, the screen hole of the inner screen 3 is larger than the screen hole of the outer screen 4, the front end of the inner screen 3 is communicated with the feed hopper 1, the rear end of the inner screen 3 is communicated with a large impurity outlet 7, a plurality of ash impurity outlets 5 are uniformly arranged on the casing 2 below the outer screen 4 at intervals, the rear end of the outer screen 4 is communicated with the discharge hopper 8, the length of the inner, used for sucking out light impurities such as dust and the like when the materials flow in the cylinder, and a second winnowing mechanism 6 is arranged below the discharge hopper 8.

The observation door is arranged on the casing 2, so that the sieve sheet at any position in the sieve drum can be conveniently replaced, the sieve sheet dismounting screw is arranged at the periphery of the sieve drum, a person only needs to stand outside the casing to operate, time and cost are saved for manufacturers, and the sieve sheet can be provided with independent small sieve sheets for replacement aiming at different materials.

The second winnowing mechanism 6 adopts a strong air suction device for sucking out other substances with specific gravity lower than that of full particle materials, so that ash content in the materials can be effectively reduced, and the pressure of subsequent equipment is reduced.

The working principle is as follows: the material gets into interior sieve section of thick bamboo by the feeder hopper in, through the rotation of a sieve section of thick bamboo, the material carries out the sieve reason in succession in a sieve section of thick bamboo, light miscellaneous such as dust when first air separator suction material trickles in a sieve section of thick bamboo, grain and the impurity that is less than interior sieve section of thick bamboo sieve mesh pass the sieve mesh and fall into in an outer sieve section of thick bamboo, the big impurity that is greater than interior sieve section of thick bamboo sieve mesh is stayed in an interior sieve section of thick bamboo, the little impurity that is less than outer sieve section of thick bamboo sieve mesh passes the sieve mesh and flows into grey miscellaneous export, grain that stays in an outer sieve section of thick bamboo and the impurity that stays in an interior sieve section of thick bamboo impel forward respectively through the rotation of a sieve section of thick bamboo and fall into hopper and big miscellaneous.

The utility model discloses not be limited to the embodiment, anybody should learn the structural change who makes under the teaching of the utility model, all with the utility model discloses have the same or close technical scheme, all fall into the utility model discloses an within the protection scope.

The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims (3)

1. The utility model provides a high-efficient binocular precleaner, includes casing (2), feeder hopper (1), goes out hopper (8) and a sieve section of thick bamboo, casing (2) top one end is provided with feeder hopper (1), and the bottom is provided with go out hopper (8), inside sets up a sieve section of thick bamboo, sieve section of thick bamboo front end is higher than the rear end slope, a sieve section of thick bamboo is including cylindrical interior sieve (3) and outer sieve (4) of coaxial setting, be equipped with the splice bar between interior sieve (3) and outer sieve (4), its characterized in that: interior sieve (3) and outer sieve (4) are formed through screw fixed connection by a plurality of sieve pieces, the sieve mesh of interior sieve (3) is greater than the sieve mesh of outer sieve (4), interior sieve (3) front end with feeder hopper (1) intercommunication, interior sieve (3) rear end and big miscellaneous export (7) intercommunication, even interval is provided with a plurality of ash miscellaneous exports (5) on casing (2) of outer sieve (4) below, outer sieve (4) rear end with go out hopper (8) intercommunication, the length of interior sieve (3) is greater than the length of outer sieve (4), interior sieve (3) both ends are stretched out outer sieve (4) both ends, first air separation mechanism (9) are installed at casing (2) top, go out hopper (8) below and install second air separation mechanism (6).

2. The high efficiency dual drum precleaner of claim 1, wherein: an observation door is arranged on the casing (2).

3. The high efficiency dual drum precleaner of claim 1, wherein: the second winnowing mechanism (6) adopts a strong air suction device.

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