CN115415166A - Impurity removing machine - Google Patents

Impurity removing machine Download PDF

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Publication number
CN115415166A
CN115415166A CN202211124619.4A CN202211124619A CN115415166A CN 115415166 A CN115415166 A CN 115415166A CN 202211124619 A CN202211124619 A CN 202211124619A CN 115415166 A CN115415166 A CN 115415166A
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CN
China
Prior art keywords
cavity
impurity
air separation
outlet
winnowing
Prior art date
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Granted
Application number
CN202211124619.4A
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Chinese (zh)
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CN115415166B (en
Inventor
武勇
杨立镇
张崴
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Anhui Gaozhe Information Technology Co ltd
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Anhui Gaozhe Information Technology Co ltd
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Priority to CN202211124619.4A priority Critical patent/CN115415166B/en
Publication of CN115415166A publication Critical patent/CN115415166A/en
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Publication of CN115415166B publication Critical patent/CN115415166B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609—Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • B07B1/4663—Multi-layer screening surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
    • B07B11/06—Feeding or discharging arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
    • B07B7/01—Selective separation of solid materials carried by, or dispersed in, gas currents using gravity

Abstract

The invention discloses an impurity removing machine, wherein a plurality of impurity removing cavities are respectively provided with an inlet and a grain outlet, and are sequentially communicated along the vertical direction, wherein the inlet of the impurity removing cavity positioned below is communicated with the grain outlet of the impurity removing cavity positioned above; wherein, the plurality of impurity removing cavities at least comprise two air separation cavities and a screening cavity; a first impurity outlet is further formed below the winnowing cavity, in the horizontal direction, a grain outlet of the winnowing cavity is positioned between an inlet of the winnowing cavity and the first impurity outlet, an air blowing mechanism is arranged in the winnowing cavity, in the horizontal direction, the air blowing mechanism is positioned on one side, away from the grain outlet of the winnowing cavity, of the inlet of the winnowing cavity, and the air blowing mechanism blows air from the inlet of the winnowing cavity to the direction of the grain outlet close to the winnowing cavity; a screen is arranged in the screening cavity, and a plurality of second impurity outlets are also arranged below the screening cavity; the winnowing cavity and the screening cavity are simultaneously arranged in the whole mechanism to remove impurities of various types of impurities, so that the impurity removal precision and the integration degree of an impurity remover are improved.

Description

Impurity removing machine
Technical Field
The invention belongs to the technical field of agricultural product processing, and particularly relates to an impurity removing machine.
Background
Grain cereal is detecting and the course of working all need carry out the edulcoration to cereal, and impurity content can influence follow-up testing result and the finished product quality of processing. At present, the grain impurities mainly comprise inorganic impurities (such as stones, sands and the like), organic impurities (such as shells, skins and rods) and heterogeneous grains and dust; impurity of different grade type need carry out the edulcoration through the edulcoration mode of difference, the technical scheme who adopts on the market at present does, to different impurity development different equipment of difference, from this, there is integrated degree lower, has the restriction to the use scene, many equipment butt joints are more troublesome and the inconvenient technical problem of transportation to form the negative pressure at the air outlet easily during the selection by winnowing among the prior art, lead to flowing back easily like the less impurity of density such as dust, skin, shell, and then have the not high technical problem of edulcoration precision.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an impurity removing machine.
According to the invention, a cleaner is proposed, comprising: the impurity removing cavities are provided with inlets and grain outlets and are sequentially communicated in the vertical direction, wherein the inlet of the impurity removing cavity positioned below is communicated with the grain outlet of the impurity removing cavity positioned above; wherein the impurity removing cavities at least comprise two air separation cavities and a screening cavity; a first impurity outlet is further formed below the air separation cavity, the grain outlet of the air separation cavity is positioned between the inlet of the air separation cavity and the first impurity outlet in the horizontal direction, an air blowing mechanism is arranged in the air separation cavity, the air blowing mechanism is positioned on one side, away from the grain outlet of the air separation cavity, of the inlet of the air separation cavity in the horizontal direction, and air is blown by the air blowing mechanism from the inlet of the air separation cavity to the grain outlet direction close to the air separation cavity; the screen cloth is installed to the screening intracavity, the below in screening chamber still is equipped with a plurality of second impurity exports.
According to the impurity removing machine provided by the embodiment of the invention, as the plurality of impurity removing cavities are arranged, and the plurality of impurity removing cavities can be configured into the plurality of air separation cavities and the plurality of screening cavities, a plurality of components for air separation or screening can be integrated together, when a screening main body needs to be adjusted, namely when the type of grain materials to be screened needs to be replaced, the impurity removing machine can adapt to the impurity removing requirements of various grains so as to adapt to various use scenes, and does not need to be independently configured with various independent screening machines or independent air separation machines, and as the impurity removing cavities at least comprise two air separation cavities and one screening cavity, the air separation cavities can remove impurities from the grain materials by utilizing the different floating characteristics of the grain materials and the impurities, and the grain materials are subjected to secondary air separation by virtue of the two air separation cavities so as to effectively remove the impurities with lower densities such as dust, skin and shell which flow back when primary air separation is carried out, so that the phenomenon of impurity backflow with lower density caused by overlarge wind power caused by single air separation is prevented, and the impurity removing precision is further improved; carry out the edulcoration through setting up selection by winnowing chamber and screening chamber simultaneously in an integral mechanism in order to multiple type impurity, and then improved the integrated degree of edulcoration precision and shaker.
According to some embodiments of the invention, the sifting chamber is located between two of the winnowing chambers.
According to some embodiments of the invention, the wind speed output by the winnowing chamber located above is greater than the wind speed output by the winnowing chamber located below.
According to some embodiments of the invention, the air separation device further comprises a blanking device, the blanking device is connected with an inlet of the air separation cavity, and the blanking device comprises: the feeding plate and the material blocking plate are arranged at included angles and extend from top to bottom in the direction close to each other, the lower end of the feeding plate is spaced from the lower end of the material blocking plate, and a feeding groove extending along the feeding direction is formed in the feeding plate.
According to some embodiments of the invention, the feed plate further comprises a motor and a cam, the cam is connected with an output shaft of the motor, and the cam stops against the lower surface of the feed plate.
According to some embodiments of the invention, the feeding groove is a plurality of feeding grooves, and the plurality of feeding grooves are arranged at intervals.
According to some embodiments of the invention, the blanking device further comprises a shell, the feeding plate is fixedly connected with the shell, and the striker plate is pivotally connected with the shell, so that the distance between the lower end of the striker plate and the lower end of the feeding plate is adjustable.
According to some embodiments of the invention, the number of the screens is two, and the two screens are vertically spaced apart.
According to some embodiments of the present invention, bottom walls of the air separation cavity at two sides of the grain outlet of the air separation cavity are gradually inclined downwards towards a direction close to the grain outlet of the air separation cavity so as to form a discharge chute with a gradually reduced sectional area from top to bottom, and the grain outlet of the air separation cavity is located at the bottom of the discharge chute.
According to some embodiments of the invention, the impurity box is located below the impurity removing chamber, and the first impurity outlet and the second impurity outlet are communicated with the impurity box below.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view of a shaker according to some embodiments of the present disclosure;
fig. 2 is a schematic view of the connection of the air separation chamber and the blanking device according to some embodiments of the invention;
FIG. 3 is a side view of a shaker according to some embodiments of the present disclosure;
FIG. 4 is a schematic view of a portion of a blanking device according to some embodiments of the present invention;
fig. 5 is a schematic illustration of the engagement of a feed plate with a cam according to some embodiments of the invention.
Reference numerals are as follows:
a winnowing cavity 1; a screening chamber 2; an inlet 3; a grain outlet 4; a first impurity outlet 5; a screen 6; a second impurity outlet 7; a blower mechanism 8; a feed plate 9; a striker plate 10; a feeding groove 11; a motor 12; a cam 13; a foreign substance cartridge 14; a grain material collecting box 15; a first conduit 16; a second duct 17; a third conduit 18.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
The present invention will be described in detail below with reference to fig. 1 to 5 in conjunction with examples.
As shown in fig. 1 to 5, an impurity removing machine according to an embodiment of the present invention includes: the impurity removing device comprises a plurality of impurity removing cavities, a plurality of cleaning cavities and a plurality of conveying pipes, wherein the impurity removing cavities are provided with inlets 3 and grain outlets 4, the impurity removing cavities are sequentially communicated in the vertical direction, and the inlet 3 of the impurity removing cavity positioned below is communicated with the grain outlet 4 of the impurity removing cavity positioned above the impurity removing cavity; wherein, the plurality of impurity removing cavities at least comprise two air separation cavities 1 and a screening cavity 2; a first impurity outlet 5 is further arranged below the air separation cavity 1, in the horizontal direction, a grain outlet 4 of the air separation cavity 1 is positioned between an inlet 3 of the air separation cavity 1 and the first impurity outlet 5, an air blowing mechanism 8 is arranged in the air separation cavity 1, in the horizontal direction, the air blowing mechanism 8 is positioned on one side, away from the grain outlet 4 of the air separation cavity 1, of the inlet 3 of the air separation cavity 1, and the air blowing mechanism 8 blows air from the inlet 3 of the air separation cavity 1 to the grain outlet 4 close to the air separation cavity 1; a screen 6 is arranged in the screening cavity 2, and a plurality of second impurity outlets 7 are also arranged below the screening cavity 2.
Specifically, the technical problem of low integration degree caused by impurity removal of different types of impurities by using different devices in the prior art is solved; and when the impurities are removed only by primary air separation, the impurities with smaller density such as dust, peel and shell are refluxed to cause the technical problem of low impurity removal precision; the embodiment of the invention provides an impurity remover which comprises a plurality of impurity removing cavities, wherein the plurality of impurity removing cavities at least comprise two air separation cavities 1 and one screening cavity 2, the number of the impurity removing cavities and the position relation between the air separation cavities 1 and the screening cavities 2 are not limited, for the convenience of the following description, three impurity removing cavities are arranged in the impurity remover, and the arrangement mode of the air separation cavities 1 and the screening cavities 2 is described by taking the example that the screening cavities 2 are positioned between the two air separation cavities 1.
According to the impurity removing machine provided by the embodiment of the invention, grain materials to be subjected to impurity removal enter through the inlet 3 of the air separation cavity 1 positioned above, the air blowing mechanism 8 is arranged in the air separation cavity 1, the air blowing direction of the air blowing mechanism 8 is intersected with the falling direction of the grain materials, in the horizontal direction, the air blowing mechanism 8 is positioned on one side, away from the grain material outlet 4 of the air separation cavity 1, of the inlet 3 of the air separation cavity 1, and the air blowing mechanism 8 blows air from the inlet 3 of the air separation cavity 1 to the grain material outlet 4 close to the air separation cavity 1; after the first winnowing by the blower mechanism 8 in the winnowing chamber 1, impurities with larger density are discharged through the first impurity outlet 5, the grains subjected to the first impurity removal and part of impurities with smaller density such as returned dust, peels and shells flow into the inlet 3 of the sieving chamber 2 from the grain outlet 4 of the winnowing chamber 1, and finally enter the sieving chamber 2, the sieving chamber 2 is internally provided with the screen 6, the grains are sieved again through the screen 6, a person skilled in the art can selectively set the layer number of the screen 6 according to needs, and correspondingly set a plurality of second impurity outlets 7 according to the layer number of the screen 6, namely, each space separated by the sieving chamber 2 by the screen 6 is provided with the second impurity outlet 7 corresponding to the space or the grain outlet 4 of the sieving chamber 2, for example, as shown in the embodiment of fig. 1 and 3, two layers of screens 6 are arranged in the sieving chamber 2, and the two layers of screens 6 are vertically spaced, the screening cavity 2 is divided into three spaces by two layers of screen meshes 6, the first space, the second space and the third space are sequentially arranged along the vertical direction, the first space and the third space are respectively connected with a second impurity outlet 7 corresponding to the first space, the second space is connected with a grain material outlet 4 of the screening cavity 2, therefore, impurities and grain materials with different grain diameters can be screened out according to different apertures of each layer of screen meshes 6, the impurities and the grain materials which do not meet the requirement of the grain diameters are discharged from a corresponding second pipeline 17 or a corresponding third pipeline 18 through the second impurity outlet 7, the grain materials and the impurities which meet the requirement of the grain diameters flow into a first pipeline 16 through the grain material outlet 4 of the screening cavity 2, finally flow to an inlet 3 of the lower air separation cavity 1 and finally enter the lower air separation cavity 1, and the lower air separation cavity 1 carries out secondary air separation on the grain materials to remove dust reflowed in the primary air separation process, the impurities with small density and similar size to grain size of the grain materials, such as the peels and the shells, are adopted, so that the impurity removal precision of the impurity remover is improved.
According to the impurity removing machine provided by the embodiment of the invention, as the plurality of impurity removing cavities are arranged, the plurality of impurity removing cavities can be configured into the plurality of air separation cavities 1 and the plurality of screening cavities 2, so that a plurality of components for air separation or screening can be integrated together, when the screening main body needs to be adjusted, namely when the type of grain materials needing to be screened needs to be changed, the impurity removing machine can adapt to the impurity removing requirements of various grains so as to adapt to various use scenes, and a plurality of independent screening machines or independent air separation machines do not need to be independently prepared, and as the impurity removing cavities at least comprise the two air separation cavities 1 and the one screening cavity 2, the air separation cavity 1 removes impurities from the grain materials by utilizing the different floating characteristics of the grain materials and the impurities, and the two air separation cavities 1 carry out secondary air separation on the grain materials so as to effectively remove the impurities with lower density such as dust, skin and shell which flow back when the grain materials flow once, thereby preventing the phenomenon of impurity backflow with lower density caused by overlarge wind power due to single air separation from occurring, and further improving the impurity removing precision; through set up selection by winnowing chamber 1 and screening chamber 2 simultaneously in an integral mechanism in order to carry out the edulcoration to multiple type impurity, and then improved the integrated degree of edulcoration precision and shaker.
According to some embodiments of the invention, as shown in fig. 1, the sifting chamber 2 is located between two sifting chambers 1, and the two sifting chambers 1 are separated by the sifting chamber 2, thereby avoiding interference between the two sifting chambers 1, such as: the air output by the blower mechanism 8 in the upper air separation cavity 1 is blown into the lower air separation cavity 1 through the inlet 3 of the lower air separation cavity 1, or the air output by the blower mechanism 8 in the lower air separation cavity 1 enters the upper air separation cavity 1 through the grain outlet 4 of the upper air separation cavity 1, so that mutual disturbance occurs between the two air separation cavities 1.
According to some embodiments of the invention, the wind speed output by the upper air separation chamber 1 is higher than the wind speed output by the lower air separation chamber 1; during the first air separation, part of impurities with relatively large density exist in the impurities with smaller density than the grain particles, the impurities are removed by outputting a large air speed through the upper air separation cavity 1, and the impurities with smaller density only need to be removed from the lower air separation cavity 1 to avoid impurity backflow caused by large air force, so that the lower air separation cavity 1 outputs a small air speed, and the impurity removal precision is ensured.
According to some embodiments of the present invention, the impurity removing machine further comprises a blanking device, the blanking device is connected with the inlet 3 of the air separation cavity 1, as shown in the example of fig. 1, the impurity removing machine comprises two air separation cavities 1, the blanking device is arranged at the inlet 3 of each of the two air separation cavities 1, and the blanking device comprises: the feeding plate 9 and the material baffle plate 10 are arranged at an included angle, and extend from top to bottom in the direction close to each other, the lower end of the feeding plate 9 is spaced from the lower end of the material baffle plate 10, and the feeding plate 9 is provided with a feeding groove 11 extending along the feeding direction; the bottom parts of the feeding plate 9 and the striker plate 10 are close to each other, and a certain interval is left between the feeding plate and the striker plate to form a channel for grains to slide downwards, the shape of the feeding groove 11 can be selected according to requirements to adapt to different grains, and particularly, the longitudinal section of the feeding groove 11 is U-shaped and is adapted to grains with larger grain diameter; the longitudinal section of the feeding groove 11 is V-shaped, and the feeding groove is suitable for grains with smaller grain diameter; through setting up feeding groove 11 so that the whereabouts of millet material evenly dispersed to it is easier to get rid of impurity in the selection by winnowing.
In some examples, the feeding plate 9 may include a main body and a feeding assembly detachably connected to the main body, and the feeding groove 11 is formed on the feeding assembly, whereby the impurity removing machine may be configured with a plurality of feeding assemblies, and when different grains need to be screened, the shape of the feeding groove 11 on the feeding plate 9 may be correspondingly changed by detaching the feeding assembly, so that the impurity removing machine is suitable for screening of various grains. The matching form of the main body and the feeding assembly can be splicing, screwing and the like, but the detachable matching form of the main body and the feeding assembly is not limited to the above.
According to some embodiments of the present invention, as shown in fig. 2, the trash remover further comprises a motor 12 and a cam 13, the cam 13 is connected to an output shaft of the motor 12, and the cam 13 stops against the lower surface of the feeding plate 9; therefore, when the output shaft of the motor 12 rotates, the cam 13 rotates along with the output shaft of the motor 12, the lower surface of the feeding plate 9 keeps being stopped against the cam 13 due to gravity, and the feeding plate 9 fluctuates up and down in a shape matched with the shape of the cam 13 along with the rotation of the cam 13, so that the impurity removing machine according to some embodiments of the invention drives the cam 13 to rotate through the motor 12 to drive the feeding plate 9 to fluctuate up and down and vibrate, and further grain accumulation at the inlet 3 of the air separation cavity 1 is avoided.
According to some embodiments of the present invention, the feeding groove 11 is a plurality of feeding grooves 11, and the plurality of feeding grooves 11 are arranged at intervals; the grains can fall uniformly in a row-by-row manner by arranging a plurality of feeding grooves 11 extending in the feeding direction on the feeding plate 9, so that impurities can be removed more easily during air separation.
According to some embodiments of the invention, as shown in fig. 2, the blanking device further includes a housing, the feeding plate 9 is fixedly connected with the housing, and the striker plate 10 is pivotally connected with the housing, wherein a pivot axis of the striker plate 10 extends along a horizontal direction, so that the striker plate 10 can rotate along an up-down direction, and further a distance between a lower end of the striker plate 10 and a lower end of the feeding plate 9 is adjustable; thereby adjusting the width of a grain material sliding channel formed by the lower end of the material baffle plate 10 and the lower end of the feeding plate 9 to adapt to grain materials with different grain sizes.
According to some embodiments of the present invention, as shown in fig. 1, there are two screens 6, and the two screens 6 are vertically spaced; 2 intracavity in screening chamber sets up two-layer screen cloth 6, drives two-layer screen cloth 6 vibration through high frequency vibrator to realize quick pay-off by last to down, every layer of screen cloth 6's sieve mesh size and shape all can select as required in the use, the illustration: the two layers of screens 6 divide the screening cavity 2 into three spaces, namely a first space, a second space and a third space in sequence along the vertical direction, wherein the screen 6 between the first space and the second space is used for screening large-particle impurities, grain materials and small-particle impurities, the screen 6 between the second space and the third space is used for screening the grain materials and the small-particle impurities, the first space and the third space are respectively connected with corresponding second impurity outlets 7, and the second space is connected with corresponding grain material outlets 4 of the screening cavity 2; so as to distinguish the grain materials and impurities with different grain sizes and respectively send out for treatment.
According to some embodiments of the present invention, the bottom walls of the air separation cavity 1 at both sides of the grain outlet 4 of the air separation cavity 1 are gradually inclined downwards towards the direction close to the grain outlet 4 of the air separation cavity 1 to form a discharge chute with gradually reduced sectional area from top to bottom, and the grain outlet 4 of the air separation cavity 1 is located at the bottom of the discharge chute; specifically, the left-right direction shown in fig. 1 is referred to for description, the blowing direction is from left to right, the left end of the bottom wall of the air separation cavity 1 extends from bottom to top in an inclined manner, when the bottom wall extends to the lower part of the inlet 3 of the air separation cavity 1, the bottom wall extends from top to bottom in an inclined manner, and a necking structure is formed below the inlet 3 of the air separation cavity 1, so that a larger wind force is formed at the position to facilitate impurity removal; then, when the bottom wall extends to the grain outlet 4 of the air separation cavity 1 in a downward inclined manner, the bottom wall extends in an upward inclined manner so as to form discharge chutes with gradually reduced sectional areas from top to bottom on two sides of the grain outlet 4 of the air separation cavity 1 to avoid the grain from flying out due to overlarge wind power.
According to some embodiments of the invention, the machine further comprises a impurity box 14, the impurity box 14 being located below the impurity removal chamber, the first impurity outlet 5 and the second impurity outlet 7 each communicating with the impurity box 14 below; specifically, the first impurity outlet 5 and the second impurity outlet 7 are respectively connected with the impurity box 14 through pipelines, when a plurality of screens 6 are arranged in the screening chamber 2, if two layers of screens 6 are arranged in the screening chamber 2, the screening chamber 2 is divided into three spaces by the two layers of screens 6, the first space, the second space and the third space are sequentially arranged along the vertical direction, the first space and the third space are respectively connected with the corresponding second impurity outlet 7, the second space is connected with the grain material outlet 4 of the screening chamber 2, the second impurity outlet 7 corresponding to the first space is connected with the impurity box 14 through a second pipeline 17, the grain material outlet 4 of the screening chamber 2 is connected with the inlet 3 of the winnowing chamber 1 positioned below through a first pipeline 16, and the second impurity outlet 7 corresponding to the third space is connected with the impurity box 14 through a third pipeline 18.
In some examples, the cleaner further comprises a grain collection box 15, the grain collection box 15 being located below the cleaning chamber, the grain outlet 4 of the lowermost cleaning chamber being in communication with the grain collection box 15.
In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present invention.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means 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 present 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.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An impurity remover, characterized by comprising: the impurity removing cavities are provided with inlets (3) and grain outlets (4) and are sequentially communicated in the vertical direction, wherein the inlet (3) of the impurity removing cavity positioned below is communicated with the grain outlet (4) of the impurity removing cavity positioned above;
wherein the impurity removing cavities at least comprise two air separation cavities (1) and a screening cavity (2);
the winnowing machine is characterized in that a first impurity outlet (5) is further arranged below the winnowing cavity (1), in the horizontal direction, a grain outlet (4) of the winnowing cavity (1) is positioned between an inlet (3) of the winnowing cavity (1) and the first impurity outlet (5), an air blowing mechanism (8) is arranged in the winnowing cavity (1), in the horizontal direction, the air blowing mechanism (8) is positioned on one side, deviating from the grain outlet (4) of the winnowing cavity (1), of the inlet (3) of the winnowing cavity (1), and air is blown from the inlet (3) of the winnowing cavity (1) to the direction of the grain outlet (4) close to the winnowing cavity (1) by the air blowing mechanism (8);
install screen cloth (6) in screening chamber (2), the below in screening chamber (2) still is equipped with a plurality of second impurity exports (7).
2. The shaker as claimed in claim 1, characterised in that the screening chamber (2) is located between two of the air separation chambers (1).
3. The impurity remover according to claim 1, characterized in that the wind speed output by the air separation chamber (1) located above is higher than the wind speed output by the air separation chamber (1) located below.
4. The trash remover of claim 1, further comprising a blanking device connected to an inlet (3) of the air separation chamber (1), the blanking device comprising: feed plate (9) and striker plate (10), feed plate (9) with striker plate (10) are the contained angle setting, and from top to bottom extend to the direction that is close to each other, the lower extreme of feed plate (9) with the lower extreme of striker plate (10) is spaced apart, be equipped with feeding recess (11) that extend along the direction of feed on feed plate (9).
5. A cleaner according to claim 4, further comprising a motor (12) and a cam (13), the cam (13) being connected to an output shaft of the motor (12), the cam (13) being arranged to abut against a lower surface of the feed plate (9).
6. A shaker as claimed in claim 5, characterized in that the feed channel (11) is provided in a plurality of strips, the strips (11) being arranged at intervals.
7. The trash remover of claim 4, wherein the blanking device further comprises a housing, the feed plate (9) is fixedly connected with the housing, and the striker plate (10) is pivotally connected with the housing, so that the distance between the lower end of the striker plate (10) and the lower end of the feed plate (9) is adjustable.
8. A shaker as in claim 1, characterized in that said screens (6) are two, said two screens (6) being vertically spaced apart.
9. The impurity removing machine according to claim 1, characterized in that the bottom walls of the air separation cavity (1) at both sides of the grain outlet (4) of the air separation cavity (1) are gradually inclined downwards towards the direction close to the grain outlet (4) of the air separation cavity (1) to form a discharge chute with gradually reduced sectional area from top to bottom, and the grain outlet (4) of the air separation cavity (1) is positioned at the bottom of the discharge chute.
10. A shaker as claimed in claim 1, further comprising a impurity box (14), the impurity box (14) being located below the shaker chamber, the first impurity outlet (5) and the second impurity outlet (7) each communicating below with the impurity box (14).
CN202211124619.4A 2022-09-15 2022-09-15 Impurity removing machine Active CN115415166B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319990A (en) * 1979-01-19 1982-03-16 Gebrueder Buehler Ag Apparatus for the dry cleaning of grain
CN102728556A (en) * 2012-06-28 2012-10-17 浙江大学 Stem and leaf separating machine for mechanically picked fresh leaves
CN103144943A (en) * 2013-03-04 2013-06-12 长江大学 Novel feeding equipment for oil pipe cleaning production line
CN108405333A (en) * 2018-05-14 2018-08-17 湖州大山丰蜂产品有限公司 A kind of Bee Pollen exclusion device
CN213316221U (en) * 2020-09-29 2021-06-01 石家庄市农林科学研究院 Wheat impurity screening plant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4319990A (en) * 1979-01-19 1982-03-16 Gebrueder Buehler Ag Apparatus for the dry cleaning of grain
CN102728556A (en) * 2012-06-28 2012-10-17 浙江大学 Stem and leaf separating machine for mechanically picked fresh leaves
CN103144943A (en) * 2013-03-04 2013-06-12 长江大学 Novel feeding equipment for oil pipe cleaning production line
CN108405333A (en) * 2018-05-14 2018-08-17 湖州大山丰蜂产品有限公司 A kind of Bee Pollen exclusion device
CN213316221U (en) * 2020-09-29 2021-06-01 石家庄市农林科学研究院 Wheat impurity screening plant

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