CN221017400U - Multi-grain impurity remover - Google Patents

Abstract

The utility model discloses a multi-grain impurity remover, which comprises: feed inlet, multi-grain integrated multilayer sieve, impurity collection bin, clean grain collection bin. The multi-grain integrated multi-layer sieve is suitable for removing impurities from various grains, and is used for receiving grains to be removed from the feed inlet, vibrating, screening and removing impurities, separating out clean grains and screening impurities. The impurity collecting bin is used for receiving screening impurities separated by the multi-grain integrated multi-layer screen. The clean grain collecting bin is used for receiving the clean grains separated by the multi-grain integrated multi-layer sieve. The utility model has high integration degree, can be compatible with impurity removal of various grains, and has good impurity removal effect and high impurity removal efficiency.

Description

Multi-grain impurity remover

Technical Field

The utility model relates to the technical field of grain impurity removal, in particular to a multi-grain impurity remover.

Background

In the grain detection industry, various grains are often required to be detected, impurities are required to be removed before the grain detection is carried out, in the current industry, various different types of impurity removers are basically adopted for coping with various grain impurity removal modes, and due to different grain sizes of different types of grains, the impurity removal standards are different, for example, when wheat is subjected to impurity removal, the impurities in the screen are substances passing through a round hole sieve with the diameter of 1.5 mm; when corn is decontaminated, the impurities of the undersize are substances passing through a round hole sieve with the diameter of 3.0 mm; when soybean is decontaminated, the impurities of the undersize are substances passing through a round hole sieve with the diameter of 3.0 mm; when the rice is decontaminated, the impurities of the undersize are substances passing through a round hole sieve with the diameter of 2.0 mm; when removing impurities from sorghum, the impurities in the undersize are substances passing through a round hole sieve with the diameter of 2.0 mm. When carrying out the edulcoration with ordinary edulcoration machine, reply different cereal, often need the manual work to change the screen cloth of different sieve meshes, the integrated level is low, edulcoration inefficiency.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model aims to provide a multi-grain impurity remover which has high integration degree, can be compatible with impurity removal of various grains, and has good impurity removal effect and high impurity removal efficiency.

According to an embodiment of the utility model, a multi-grain impurity remover comprises:

a feed inlet;

The multi-grain integrated multi-layer sieve is suitable for removing impurities from various grains, is used for receiving grains to be removed from the feed inlet, and performs vibration screening to remove impurities, so as to separate clean grains and screening impurities;

The impurity collection bin is used for receiving the screening impurities separated by the multi-grain integrated multi-layer screen;

The clean grain collecting bin is used for receiving the clean grains separated by the multi-grain integrated multi-layer sieve.

The multi-grain impurity removing machine of the embodiment of the utility model works as follows: firstly, grains to be decontaminated enter the multi-grain impurity remover through a feed inlet, the grains to be decontaminated entering from the feed inlet fall into a multi-grain integrated multi-layer sieve to be subjected to vibration screening impurity removal, and clean grains and screening impurities are separated. Then, the clean grain can be transported to a clean grain collection bin for storage, and the screened impurities can be transported to an impurity collection bin for storage.

In summary, the multi-grain impurity remover disclosed by the embodiment of the utility model can be compatible with impurity removal of various grains, and has the advantages of high impurity removal speed, good impurity removal effect and high impurity removal efficiency.

In some embodiments, a transfer cutting module is also included; the multi-grain integrated multi-layer screen comprises a multi-layer vibrating screen arranged from top to bottom, wherein when different grains are subjected to impurity removal, at least a part of screening impurities and clean grains selected on the vibrating screen are switched to different positions through the rotary cutting module and fall into the impurity collection bin and the clean grain collection bin respectively through the rotary cutting module, and the other screening impurities selected on the vibrating screen enter the impurity collection bin through a fixed channel.

In some embodiments, the multiple layers of the shaker include a first layer of screen having a first outlet, a second layer of screen having a second outlet, a third layer of screen having a third outlet, a third layer of screen having a fourth outlet, a fourth layer of screen having a fifth outlet, and a fifth layer of screen disposed from top to bottom; wherein the first outlet and the fifth outlet are connected with the impurity collecting bin through the fixed channel; the second outlet, the third outlet and the fourth outlet are correspondingly communicated with the impurity collecting bin and the clean grain collecting bin when being switched to different positions through the rotary cutting module.

In some embodiments, the transfer-cutting module includes a first port, a second port, and a third port, the transfer-cutting module being switchable between a first position and a second position;

The switching module is switched to the first position, the second outlet is connected with the impurity collecting bin through the first port, and the third outlet and the fourth outlet are connected with the clean grain collecting bin through the second port;

The switching module is switched to the second position, the second outlet and the third outlet are connected with the clean grain collecting bin through the second port, and the fourth outlet is connected with the impurity collecting bin through the third port.

In some embodiments, the mesh aperture of the first layer of screens is greater than the mesh aperture of the second layer of screens, the mesh aperture of the second layer of screens is greater than the mesh aperture of the third layer of screens, the mesh aperture of the third layer of screens is greater than the mesh aperture of the fourth layer of screens, and the fifth layer of screens is mesh-free.

In some embodiments, the mesh aperture of the first layer of sieves is 11.5 to 12.5mm, the mesh aperture of the second layer of sieves is 4 to 5mm, the mesh aperture of the third layer of sieves is 2.5 to 3.5mm, and the mesh aperture of the fourth layer of sieves is 1.0 to 2.0mm.

In some embodiments, further comprising an impurity port and a clean grain port; the outlet end of the impurity port is connected with the impurity collecting bin, and the outlet end of the clean grain port is connected with the clean grain collecting bin; when the switching module is switched to the first position, the second outlet is connected with the inlet end of the impurity port through the first port, and the third outlet and the fourth outlet are connected with the inlet end of the grain cleaning port through the second port; when the switching module is switched to the second position, the second outlet and the third outlet are connected with the inlet end of the grain cleaning port through the second port, and the fourth outlet is connected with the inlet end of the impurity port through the third port.

In some embodiments, the layers of the shaker screen are all arranged diagonally.

In some embodiments, the multi-grain integrated multi-layer sieve further comprises a cyclone saxophone, wherein the cyclone saxophone is used for sucking away light impurities in grains to be purified entering from the feed inlet, and the grains to be purified after the light impurities are separated by the cyclone saxophone fall onto the multi-grain integrated multi-layer sieve.

In some embodiments, the apparatus further comprises a belt conveyor and a lightweight impurity separation bin; the belt conveying device is arranged below the feed inlet and above the multi-grain integrated multi-layer sieve, and is used for receiving and uniformly conveying grains to be decontaminated falling from the feed inlet, so that the grains to be decontaminated uniformly fall from the output end of the belt conveying device towards the multi-grain integrated multi-layer sieve; the light impurity separation bin is arranged at the output end of the belt conveying device and is positioned between the belt conveying device and the multi-grain integrated multi-layer sieve, so that grains to be impurity-removed falling from the output end of the belt conveying device are positioned in the light impurity separation bin; the air suction inlet of the cyclone sardine is communicated with the light impurity separation bin, and the cyclone sardine is used for sucking light impurities in grains to be purified, which fall from the output end of the belt conveying device.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic front view showing the overall structure of a multi-grain impurity remover according to the embodiment of the utility model;

FIG. 2 is a schematic rear view showing the overall structure of a multi-grain impurity remover according to the embodiment of the utility model;

FIG. 3 is a schematic diagram of the structure of a multi-grain integrated multi-layer screen according to an embodiment of the present utility model;

FIG. 4 is a schematic structural view of a rotary cutting module according to an embodiment of the present utility model;

FIG. 5 is a schematic workflow diagram of a multi-grain impurity remover according to an embodiment of the utility model;

FIG. 6 is a schematic diagram of a control flow of a central control unit according to an embodiment of the present utility model;

fig. 7 is an illustration of the mesh diameter and outlet of each layer for different grains according to an embodiment of the present utility model.

Reference numerals: a multi-grain impurity remover 1000; a feed inlet 1; a multi-grain integrated multi-layer screen 2; a first layer of screen 201; a first outlet 2011; a second layer of screen 202; a second outlet 2021; a third layer of screen 203; a third outlet 2031; a fourth layer of screen 204; fourth outlet 2041; a fifth layer of screen 205; a fifth outlet 2051; an impurity collection bin 3; a clean grain collection bin 4; a rotary cutting module 5; a first port 501; a second port 502; a third port 503; an impurity port 6; a grain cleaning port 7; cyclone 8; a light impurity separation bin 9; an inclined guide outer plate 901; a baffle 902; a belt conveyor 10; the channel 11 is fixed.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A multi-grain impurity remover 1000 according to an embodiment of the present utility model is described below with reference to fig. 1 to 7.

As shown in fig. 1 to 4, a multi-grain impurity remover 1000 according to an embodiment of the present utility model includes: feed inlet 1, multi-grain integrated multilayer sieve 2, impurity collection storehouse 3 and clean grain collection storehouse 4. The multi-grain integrated multi-layer sieve 2 is suitable for removing impurities from various grains, and is used for receiving grains to be removed from the feed inlet 1, carrying out vibration screening to remove impurities, and separating clean grains and screening impurities; the impurity collection bin 3 is used for receiving screening impurities separated by the multi-grain integrated multi-layer screen 2; the clean grain collection bin 4 is used for receiving the clean grains separated by the multi-grain integrated multi-layer sieve 2.

Specifically, the feed inlet 1 is located at the upper end of the multi-grain impurity remover 1000. The feed opening 1 may take the form of, but is not limited to, a funnel.

The multi-grain integrated multi-layer screen 2 can receive grains to be decontaminated entering from the feed inlet 1, and separate clean grains and screening impurities through vibration screening for decontamination; because the multi-grain integrated multi-layer screen 2 integrates vibrating screens with meshes of different specifications, the multi-grain integrated multi-layer screen can be compatible with impurity removal of various grains, meanwhile, circulation of impurities to be removed is reduced, and the impurity removal efficiency and the impurity removal effect are improved. The vibration frequency and other parameters of the multi-grain integrated multi-layer screen 2 can be controlled by the industrial personal computer, so that different grains to be decontaminated can be rapidly decontaminated, and a better decontamination effect is achieved.

The screened impurities separated by the multi-grain integrated multi-layer screen 2 can be conveyed to an impurity collection bin 3 for storage; the clean grains separated by the multi-grain integrated multi-layer sieve 2 are transported to a clean grain collecting bin 4 for storage.

The multi-grain impurity remover 1000 of the embodiment of the utility model works as follows: firstly, grains to be decontaminated enter the multi-grain impurity remover 1000 through a feed inlet 1, the grains to be decontaminated entering from the feed inlet 1 fall into a multi-grain integrated multi-layer screen 2 to be subjected to vibration screening impurity removal, and clean grains and screening impurities are separated. The clean grain is then transported to the clean grain collection bin 4 for storage and the screened impurities are transported to the impurity collection bin 3 for storage.

In summary, the multi-grain impurity remover 1000 of the embodiment of the utility model can be compatible with impurity removal of various grains, has high impurity removal speed, good impurity removal effect and high impurity removal efficiency.

In some embodiments, a transfer cutting module 5 is also included; the multi-grain integrated multi-layer screen 2 comprises a multi-layer vibrating screen arranged from top to bottom, wherein when different grains are subjected to impurity removal, at least a part of screening impurities and clean grains screened on the vibrating screen are switched to different positions through a rotary cutting module 5 and respectively fall into an impurity collecting bin 3 and a clean grain collecting bin 4 through the rotary cutting module 5, and the screening impurities screened on the rest vibrating screens enter the impurity collecting bin 3 through a fixed channel 11. Therefore, the multi-grain impurity remover 1000 can be compatible with various grain impurity removal applications and has high impurity removal efficiency by arranging the rotary cutting module.

As shown in fig. 3, in some embodiments, the multi-layered vibrating screen includes a first layer of screen 201, a second layer of screen 202, a third layer of screen 203, a fourth layer of screen 204, and a fifth layer of screen 205 disposed from top to bottom, the first layer of screen 201 having a first outlet 2011, the first outlet 2011 being operable to exclude screen shots on the first layer of screen 201; the second layer of screens 202 have a second outlet 2021, the second outlet 2021 may exclude screen shots on the second layer of screens 202; the third layer of sieves 203 has a third outlet 2031, the third outlet 2031 being capable of removing the screen out on the third layer of sieves 203; the fourth layer of screens 204 have a fourth outlet 2041, the fourth outlet 2041 being operable to exclude screen material from the fourth layer of screens 204; the fifth layer of sieves 205 have a fifth outlet 2051; the fifth outlet 2051 may exclude screen output on the fifth layer screen 205. Wherein, the first outlet 2011 and the fifth outlet 2051 are connected with the impurity collecting bin 3 through the fixed channel 11; the second outlet 2021, the third outlet 2031 and the fourth outlet 2041 are correspondingly communicated with the impurity collection bin 3 and the clean grain collection bin 4 when being switched to different positions by the rotary cutting module 5.

As shown in fig. 4, in some embodiments, the transfer module 5 includes a first port 501, a second port 502, and a third port 503, the transfer module 5 being switchable between a first position and a second position;

The switching module 5 is switched to the first position, the second outlet 2021 is connected with the impurity collecting bin 3 through the first through hole 501, and the third outlet 2031 and the fourth outlet 2041 are connected with the clean grain collecting bin 4 through the second through hole 502; for example, when the grains to be decontaminated are wheat, rice and sorghum, the third layer sieve 203 and the fourth layer sieve 204 are clean grains, and the first layer sieve 201, the second layer sieve 202 and the fifth layer sieve 205 are screening impurities, at this time, the switching module 5 is switched to the first position, so that the screening impurities discharged from the second outlet 2021 can enter the impurity collecting bin 3 through the first through hole 501, and the clean grains discharged from the third outlet 2031 and the fourth outlet 2041 can enter the clean grain collecting bin 4 through the second through hole 502.

The switching module 5 is switched to a second position, the second outlet 2021 and the third outlet 2031 are connected with the clean grain collecting bin 4 through the second port 502 and the fourth outlet 2041 is connected with the impurity collecting bin 3 through the third port 503; for example, when the grains to be decontaminated are corn and soybean, the second layer sieve 202 and the third layer sieve 203 are clean grains, and the first layer sieve 201, the fourth layer sieve 204 and the fifth layer sieve 205 are screened impurities, at this time, the switching module 5 is switched to the second position, so that the clean grains discharged from the second outlet 2021 and the third outlet 2031 can be made to enter the clean grain collecting bin 4 through the second outlet 502, and the screened impurities discharged from the fourth outlet 2041 can be made to enter the impurity collecting bin 3 through the third outlet 503.

Specifically, the second outlet 2021, the third outlet 2031, and the fourth outlet 2041 are arranged in order in the front-rear direction, and the first port 501, the second port 502, and the third port 503 are arranged in order in the front-rear direction; the rotary cutting module 5 is driven to linearly move back and forth between the first position and the second position by a driving unit, which may be, but is not limited to, a cylinder.

When the grains to be decontaminated are wheat, rice and sorghum, the rotary cutting module 5 is in the first position, and clean grains are arranged on the third layer sieve 203 and the fourth layer sieve 204, so that a third outlet 2031 on the third layer sieve 203 and a fourth outlet 2041 on the fourth layer sieve 204 are connected with the clean grain collecting bin 4 through a second port 502 of the rotary cutting module 5, and the clean grains are conveyed to the clean grain collecting bin 4 for storage; at this time, the second layer of screen 202 is screened for impurities, so the second outlet 2021 on the second layer of screen 202 is connected to the impurity collecting bin 3 through the first port 501 of the rotary cutting module 5, and the screened impurities can be conveyed to the impurity collecting bin 3.

When the grains to be decontaminated are corn and soybean, the rotary cutting module 5 is in the second position, clean grains are arranged on the second layer sieve 202 and the third layer sieve 203, the second outlet 2021 of the second layer sieve 202 and the third outlet 2031 of the second layer sieve 202 are connected with the clean grain collecting bin 4 through the second port 502 of the rotary cutting module 5, and the clean grains are conveyed to the clean grain collecting bin 4 for storage; at this time, the fourth outlet 2041 of the fourth layer 204 is connected to the impurity collecting bin 3 through the third port 503 of the rotary cutting module 5, and the filtered impurities can be transferred to the impurity collecting bin 3 for storage. Can be compatible with the impurity removal of various grains, has good impurity removal effect and high impurity removal efficiency.

In some embodiments, the mesh aperture of the first layer of sieves 201 is larger than the mesh aperture of the second layer of sieves 202, the mesh aperture of the second layer of sieves 202 is larger than the mesh aperture of the third layer of sieves 203, the mesh aperture of the third layer of sieves 203 is larger than the mesh aperture of the fourth layer of sieves 204, and the fifth layer of sieves 205 are mesh-free. Thus, the multi-grain integrated multi-layer screen 23 can be compatible with various grains for impurity removal and has high integration level.

In some embodiments, as shown in fig. 7, the mesh aperture of the first layer of sieves 201 is 11.5-12.5 mm, the mesh aperture of the second layer of sieves 202 is 4-5 mm, the mesh aperture of the third layer of sieves 203 is 2.5-3.5 mm, and the mesh aperture of the fourth layer of sieves 204 is 1.0-2.0 mm.

It will be appreciated that, for example, the mesh aperture of the first layer of screen 201 may be selected to be 12mm, the mesh aperture of the second layer of screen 202 may be selected to be 4.5mm, the mesh aperture of the third layer of screen 203 may be selected to be 3mm, and the mesh aperture of the fourth layer of screen 204 may be selected to be 1.5mm; thus, when the grains to be decontaminated are wheat, rice and sorghum, the third and fourth sieves 203 and 204 are clean grains, and the first, second and fifth sieves 201, 202 and 205 are sifted impurities; when the grains to be decontaminated are corn and soybean, the second and third sieves 202 and 203 are clean grains, and the first, fourth and fifth sieves 201, 204 and 205 are sifted with impurities. According to the diameter of waiting to remove miscellaneous cereal designs the mesh aperture of layer sieve, can be with clean grain and screening impurity separation out accurately, improved the edulcoration precision of many cereal edulcoration machine 1000, reach better edulcoration effect.

In some embodiments, further comprising an impurity port 6 and a clean grain port 7; the outlet end of the impurity port 6 is connected with the impurity collection bin 3, and the outlet end of the clean grain port 7 is connected with the clean grain collection bin 4; when the switching module 5 is switched to the first position, the second outlet 2021 is connected to the inlet end of the impurity port 6 through the first port 501 and the third outlet 2031 and the fourth outlet 2041 are connected to the inlet end of the clean grain port 7 through the second port 502; when the switching module 5 is switched to the second position, the second outlet 2021 and the third outlet 2031 are connected to the inlet end of the clean grain port 7 through the second port 502 and the fourth outlet 2041 is connected to the inlet end of the impurity port 6 through the third port 503.

It can be understood that when the second layer of the sieve 202 is used for screening impurities, the rotary cutting module 5 is switched to the first position, the second outlet 2021 on the second layer of the sieve 202 is connected with the inlet end of the impurity port 6 through the first through port 501 of the rotary cutting module 5, and the screened impurities can enter the impurity collecting bin 3 through the impurity port 6; when the fourth layer of screen 204 is used for screening impurities, the rotary cutting module 5 is positioned at the second position, the fourth outlet 2041 of the fourth layer of screen 204 is connected with the inlet end of the impurity port 6 through the third port 503 of the rotary cutting module 5, and the screened impurities can enter the impurity collecting bin 3 for storage through the impurity port 6.

In some embodiments, the multiple layers of shakers are all disposed at an incline. Specifically, the first layer of sieves 201, the second layer of sieves 202, the third layer of sieves 203, the fourth layer of sieves 204 and the fifth layer of sieves 205 are all arranged obliquely, and the first outlet 2011 is located at the oblique lower end of the first layer of sieves 201, the second outlet 2021 is located at the oblique lower end of the second layer of sieves 202, the third outlet 2031 is located at the oblique lower end of the third layer of sieves 203, the fourth outlet 2041 is located at the oblique lower end of the fourth layer of sieves 204, and the fifth outlet 2051 is located at the oblique lower end of the fifth layer of sieves 205. The multilayer vibrating screens are obliquely arranged, so that the vibrating effect can be accelerated, and the impurity removal efficiency is improved.

As shown in fig. 1 to 6, in some embodiments, the multi-layer sieve further comprises a cyclone 8, wherein the cyclone 8 is used for sucking away light impurities in the grains to be removed entering from the feeding hole 1, and the grains to be removed after the light impurities are separated by the cyclone 8 fall onto the multi-layer sieve 2.

Specifically, the cyclone salon 8 sucks light impurities in grains to be removed falling from the feed inlet 1 through negative pressure in the cyclone salon 8, namely, the cyclone salon 8 is used for carrying out light impurity separation on the grains to be removed in the process of entering the multi-grain integrated multi-layer screen 2 from the feed inlet 1, and the negative pressure is used for sucking the light impurities. Therefore, the light impurities can be better concentrated together, the times of winnowing are reduced, the light impurities are separated in a negative pressure mode, the light impurities are separated in the feeding process, circulation is reduced, and the impurity removing efficiency is improved. When different types of grains to be decontaminated are decontaminated, the required negative pressure is different, for example, when lighter weight grains such as sorghum are decontaminated, the required wind pressure is smaller, so that the grains and the light impurities are prevented from being sucked away; when the corn and other grains with larger quality are subjected to impurity removal, the negative pressure can be properly increased, and the larger light impurities in the grains can be removed as much as possible on the premise that the grains are not sucked away. Negative pressure in the cyclone sand dragon 8 is provided by a negative pressure fan, and the negative pressure in the cyclone sand dragon 8 can be regulated by controlling the rotating speed of the fan through an industrial personal computer, so that the purpose of selecting proper negative pressure according to the types of grains to be decontaminated to suck away light impurities in the grains is achieved, the cyclone sand dragon 8 removes the light impurities in the grains to be decontaminated when the grains to be decontaminated just enter the multi-grain impurity remover 1000, the circulation process of the light impurities in the multi-grain impurity remover 1000 is reduced, and the working efficiency of the multi-grain impurity remover 1000 is improved.

In some embodiments, further comprising a belt conveyor 10 and a light impurity separation bin 9; the belt conveying device 10 is arranged below the feed inlet 1 and above the multi-grain integrated multi-layer screen 2, and the belt conveying device 10 is used for receiving and uniformly conveying grains to be decontaminated which fall from the feed inlet 1, so that the grains to be decontaminated uniformly fall from the output end of the belt conveying device 10 towards the multi-grain integrated multi-layer screen 2; the light impurity separating bin 9 is arranged at the output end of the belt conveying device 10 and is positioned between the belt conveying device 10 and the multi-grain integrated multi-layer sieve 2, so that grains to be impurity-removed falling from the output end of the belt conveying device 10 are positioned in the light impurity separating bin 9; the air suction port of the cyclone sand dragon 8 is communicated with the light impurity separation bin 9, and the cyclone sand dragon 8 is used for sucking light impurities in grains to be impurity-removed falling from the output end of the belt conveying device 10.

Specifically, the grains to be decontaminated entering from the feed inlet 1 fall onto the belt conveying device 10 under the action of gravity, and the belt conveying device 10 can be used for receiving and uniformly conveying the grains to be decontaminated falling from the feed inlet 1, so that the grains to be decontaminated uniformly fall from the output end of the belt conveying device 10 to the light impurity separation bin 9; the light impurity separating bin 9 is connected with the air suction inlet of the cyclone sand dragon 8, light impurities in grains to be removed falling into the light impurity separating bin 9 can be sucked away by the cyclone sand dragon 8, the grains to be removed for removing the light impurities can fall into the multi-grain integrated multi-layer sieve 2 positioned below the light impurity separating bin 9, and further impurity removal is waited.

In some embodiments, belt conveyor 10 includes a horizontal conveyor belt and a drive device, which may employ a stepper motor that can control and adjust the speed of movement of the conveyor belt; when the stepping motor drives the conveying belt to move at a constant speed, grains to be decontaminated uniformly fall on the conveying flat belt which moves at a constant speed from the feeding port 1 above the conveying belt, so that stable and constant-speed feeding of the grains to be decontaminated can be realized. That is, the step motor is adopted to drive the conveying belt to convey the grains to be decontaminated, so that the speed and the flow of the grains to be decontaminated falling into the light impurity separation bin 9 can be controlled intelligently, the speed and the flow are more stable and uniform, and the cyclone salon 8 is favorable for better and more efficiently removing the light impurities of the grains to be decontaminated in the impurity separation bin 9.

In some embodiments, the light impurity separating bin 9 comprises an inclined guiding outer side plate 901 and a baffle 902, wherein the baffle 902 is arranged in the light impurity separating bin 9 and forms a guiding channel with the inclined guiding outer side plate 901, so that grains to be impurity-removed falling from the output end of the belt conveying device 10 reach the multi-grain integrated multi-layer sieve 2 through the guiding channel; the suction port is arranged at one side of the baffle 902 and is directed obliquely away from the outer side plate 901. In this way, the grains to be decontaminated can enter the multi-grain integrated multi-layer sieve 2 along a fixed path, which is beneficial to the fact that light impurities in the grains to be decontaminated can be sucked into the cyclone 8 more intensively and faster.

As shown in fig. 1 to 6, a specific example is given below to illustrate the multi-grain impurity remover 1000 of the present utility model.

In this particular example, the multi-grain impurity remover 1000 includes a feed inlet 1, a multi-grain integrated multi-layer screen 2, an impurity collection bin 3, a clean grain collection bin 4, a rotary cutting module 5, an impurity inlet 6, a clean grain inlet 7, a cyclone 8, a lightweight impurity separation bin 9, a belt conveyor 10, and a fixed tunnel 11.

Firstly, selecting the types of grains to be decontaminated on the multi-grain impurity remover 1000, after selecting the types of grains to be decontaminated, controlling the rotating speed of a negative pressure fan by an industrial control machine according to the types of grains to be decontaminated, so that the negative pressure of the cyclone sand dragon 8 is suitable for the grains to be decontaminated, regulating the speed of the belt conveying device 10 to be suitable for the grains to be decontaminated under the control of the industrial control machine, and regulating the vibration frequency to be suitable for the grains to be decontaminated by the multi-grain integrated multi-layer sieve 2 under the control of the industrial control machine. Then, the grains to be decontaminated are poured into the multi-grain impurity remover 1000, the multi-grain impurity remover 1000 senses that the grains to be decontaminated enter, the multi-grain impurity remover 1000 starts to work, the grains to be decontaminated can fall onto a belt conveying surface on the belt conveying device 10 after entering the multi-grain impurity remover 1000 through the feed inlet 1, and the grains to be decontaminated fall down at the output end of the belt conveying device 10; when the grains to be decontaminated fall, light impurities in the grains to be decontaminated can be sucked away by the cyclone 8, so that primary decontamination of the grains to be decontaminated is realized, and the light impurities are conveyed to the impurity collection bin 3 for storage after being sucked away by the cyclone 8; the grains to be treated which are treated by the cyclone sakrone 8 fall into the multi-grain integrated multi-layer sieve 2 under the action of self gravity, and after the grains to be treated are further screened and decontaminated in the multi-grain integrated multi-layer sieve 2, clean grains and screened impurities are obtained through separation, the screened impurities can be conveyed to the impurity collecting bin 3 and stored, and the clean grains can be collected to the clean grain collecting bin 4 and stored.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A multi-grain impurity remover comprising:

a feed inlet;

The multi-grain integrated multi-layer sieve is suitable for removing impurities from various grains, is used for receiving grains to be removed from the feed inlet, and performs vibration screening to remove impurities, so as to separate clean grains and screening impurities;

The impurity collection bin is used for receiving the screening impurities separated by the multi-grain integrated multi-layer screen;

The clean grain collecting bin is used for receiving the clean grains separated by the multi-grain integrated multi-layer sieve.

2. The multi-grain impurity remover of claim 1, further comprising a rotary cutting module; the multi-grain integrated multi-layer screen comprises a multi-layer vibrating screen arranged from top to bottom, wherein when different grains are subjected to impurity removal, at least a part of screening impurities and clean grains selected on the vibrating screen are switched to different positions through the rotary cutting module and fall into the impurity collection bin and the clean grain collection bin respectively through the rotary cutting module, and the other screening impurities selected on the vibrating screen enter the impurity collection bin through a fixed channel.

3. The multi-grain impurity remover according to claim 2, wherein the plurality of layers of the vibrating screen comprises a first layer screen, a second layer screen, a third layer screen, a fourth layer screen and a fifth layer screen arranged from top to bottom, the first layer screen having a first outlet, the second layer screen having a second outlet, the third layer screen having a third outlet, the fourth layer screen having a fourth outlet, the fifth layer screen having a fifth outlet; wherein the first outlet and the fifth outlet are connected with the impurity collecting bin through the fixed channel; the second outlet, the third outlet and the fourth outlet are correspondingly communicated with the impurity collecting bin and the clean grain collecting bin when being switched to different positions through the rotary cutting module.

4. A multi-grain impurity remover according to claim 3, wherein the rotary cutting module comprises a first port, a second port and a third port, the rotary cutting module being switchable between a first position and a second position;

The switching module is switched to the first position, the second outlet is connected with the impurity collecting bin through the first port, and the third outlet and the fourth outlet are connected with the clean grain collecting bin through the second port;

The switching module is switched to the second position, the second outlet and the third outlet are connected with the clean grain collecting bin through the second port, and the fourth outlet is connected with the impurity collecting bin through the third port.

5. The multi-grain impurity removing machine according to claim 4, wherein the mesh aperture of the first layer sieve is larger than the mesh aperture of the second layer sieve, the mesh aperture of the second layer sieve is larger than the mesh aperture of the third layer sieve, the mesh aperture of the third layer sieve is larger than the mesh aperture of the fourth layer sieve, and the fifth layer sieve has no mesh.

6. The multi-grain impurity removing machine according to claim 5, wherein the mesh aperture of the first layer sieve is 11.5 to 12.5mm, the mesh aperture of the second layer sieve is 4 to 5mm, the mesh aperture of the third layer sieve is 2.5 to 3.5mm, and the mesh aperture of the fourth layer sieve is 1.0 to 2.0mm.

7. The multi-grain impurity remover of claim 4, further comprising an impurity port and a clean-grain port; the outlet end of the impurity port is connected with the impurity collecting bin, and the outlet end of the clean grain port is connected with the clean grain collecting bin; when the switching module is switched to the first position, the second outlet is connected with the inlet end of the impurity port through the first port, and the third outlet and the fourth outlet are connected with the inlet end of the grain cleaning port through the second port; when the switching module is switched to the second position, the second outlet and the third outlet are connected with the inlet end of the grain cleaning port through the second port, and the fourth outlet is connected with the inlet end of the impurity port through the third port.

8. The multi-grain impurity remover according to claim 2, wherein the plurality of layers of vibrating screens are all arranged obliquely.

9. The multi-grain impurity remover according to any one of claims 1 to 8, further comprising a cyclone for sucking light impurities from the grains to be impurity-removed entering from the inlet and dropping the grains to be impurity-removed separated by the cyclone onto the multi-grain integrated multi-layer screen.

10. The multi-grain impurity remover of claim 9, further comprising a belt conveyor and a lightweight impurity separation bin; the belt conveying device is arranged below the feed inlet and above the multi-grain integrated multi-layer sieve, and is used for receiving and uniformly conveying grains to be decontaminated falling from the feed inlet, so that the grains to be decontaminated uniformly fall from the output end of the belt conveying device towards the multi-grain integrated multi-layer sieve; the light impurity separation bin is arranged at the output end of the belt conveying device and is positioned between the belt conveying device and the multi-grain integrated multi-layer sieve, so that grains to be impurity-removed falling from the output end of the belt conveying device are positioned in the light impurity separation bin; the air suction inlet of the cyclone sardine is communicated with the light impurity separation bin, and the cyclone sardine is used for sucking light impurities in grains to be purified, which fall from the output end of the belt conveying device.