CN112371333A

CN112371333A - Cereal rough separation device for flour processing

Info

Publication number: CN112371333A
Application number: CN202011018103.2A
Authority: CN
Inventors: 侯华坦; 许刚; 许雪艳
Original assignee: Sixian Jinfeng Noodle Industry Co ltd
Current assignee: Sixian Jinfeng Noodle Industry Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-02-19

Abstract

The invention discloses a comprehensive grain pretreatment device for flour processing, which comprises a grain channel and a filtering mechanism which is arranged in the grain channel and integrates screening, magnetic separation and floating dust removal, wherein the filtering mechanism consists of a coarse screening component, a dust blowing component and a fine screening component in sequence according to a filtering order, large-particle impurities and metal impurities cleaned by the coarse screening component fall into the fine screening component to be cleaned uniformly, the coarse screening component adjusts and controls the screening size by changing the filtering aperture, the coarse screening component magnetically attracts and screens the metal impurities at the same time, the coarse screening component cleans the large-particle impurities and falls onto the surface of the fine screening component to be collected in the process of changing the size of the filtering aperture, and the coarse screening component shifts the metal impurities to fall onto the surface of the fine screening component to be collected and cleaned uniformly by rotating after changing the size of the filtering aperture. The invention can effectively clean metal impurities in the grains.

Description

Cereal rough separation device for flour processing

Technical Field

The invention relates to the technical field of flour processing, in particular to a grain roughing device for flour processing.

Background

The second process flow of the grain processing equipment is that the skin layer and the embryo of the raw grains such as wheat, corn, barley, buckwheat, hulless oat and the like are removed, and the raw grains are ground into finished product powder. The wheat is first cleaned in a cylinder primary cleaning sieve and a grain cleaning machine, then cleaned in a reciprocating vibrating sieve, a high speed vibrating sieve, a specific gravity stone remover, a magnetic separator and other equipment and finally washed or moistened in a wheat washer.

Removing magnetic impurities from cleaned wheat by magnetic separation equipment, grinding into powder in a flour mill, sieving with a flat sieve, extracting flour, grinding the intermediate material in another flour mill, repeatedly extracting flour, and processing bran with a bran brushing machine and a circular sieve. When making special or top grade wheat flour, a flour purifier is also used to separate pure and purer endosperm particles from the intermediate material discharged from the flour mill and the flat screen, and the pure and purer endosperm particles are further ground into the special or top grade wheat flour.

The whole process of grain impurity removal treatment is commonly called grain pretreatment, but the existing grains can be mixed with metal impurities in the preparation process, but the treatment of the metal impurities is lacked.

Disclosure of Invention

The invention aims to provide a grain roughing device for flour processing, which aims to solve the technical problem that metal impurities are possibly mixed in the grain in the preparation process but the metal impurities are not treated in the prior art.

In order to solve the technical problems, the invention specifically provides the following technical scheme:

the invention provides a grain roughing device for flour processing, which comprises a grain channel, a separation lower plate, a filtering middle plate and a regulating upper plate, wherein the separation lower plate, the filtering middle plate and the regulating upper plate are integrated in the grain channel and are distributed in an up-down stacking manner, the filtering middle plate is fixedly arranged in the grain channel, the regulating upper plate and the separation lower plate are respectively movably arranged on the upper surface and the lower surface of the filtering middle plate, the filtering middle plate is provided with a plurality of cutting and filtering spokes which are uniformly distributed, and a magnetic suction area for adsorbing metal impurities is arranged between two adjacent cutting and filtering spokes.

As a preferable scheme of the present invention, the spacer lower plate is provided with a plurality of diameter adjusting plates which are uniformly distributed and correspond to the cutting and filtering spokes one to one, and the diameter adjusting plates are used for adjusting and controlling the spacing size of each cutting and filtering spoke so as to change the filtering aperture of the grain.

As a preferable scheme of the invention, each diameter adjusting plate block mainly comprises a division bar sector block and a falling hole bar.

As a preferable scheme of the present invention, the size of the falling hole strip of each diameter adjusting plate corresponds to the cutting and filtering spokes one to one, large granular impurities filtered by the diameter adjusting plate are cleaned in the process of rotating the falling hole strip to correspond to the cutting and filtering spokes in a position matching manner, and the adjusting and controlling upper plate is rotated to clean metallic impurities in the magnetic attraction region after the falling hole strip corresponds to the cutting and filtering spokes in a position matching manner.

As a preferable aspect of the present invention, the number of the reducing plates divided on the spacer lower plate is the same as the number of the cutting filter spokes, and the area of the reducing plates is three times that of the cutting filter spokes.

As a preferable scheme of the present invention, a plurality of long parting strips are uniformly distributed in the parting strip segment, at least one short parting strip is arranged between two adjacent long parting strips, and the parting strip lower plate changes the filtering pore size of the cutting and filtering spoke by adjusting and controlling the positions of the long parting strips and the short parting strips corresponding to the cutting and filtering spoke when rotating.

As a preferable aspect of the present invention, the length of the long division bar is twice the length of the short division bar, and the width of the drop hole bar and the length of the short division bar are respectively the same as the width of the cutting filter spoke.

As a preferable mode of the present invention, a first tear strip is provided on a side surface of the grain passage, a first push plate passing through the first tear strip is provided on a side curved surface of the partition lower plate, the partition lower plate rotates in a fixed direction with a position where the long partition bar faces the cutting and filtering spoke as a starting point, and large granular impurities filtered by the partition segment fall when the falling hole strip is rotated to a position right below the cutting and filtering spoke.

Compared with the prior art, the invention has the following beneficial effects:

the invention changes the spacing size of each cutting and filtering spoke through the diameter adjusting plate to regulate and control the filtering aperture of grains, and the spacing lower plate cleans large granular impurities filtered by the diameter adjusting plate in the process of matching and corresponding to the positions of the cutting and filtering spokes when rotating the falling hole strips of the diameter adjusting plate, and rotates the regulating and controlling upper plate to clean metal impurities in a magnetic suction area after the falling hole strips are matched and corresponding to the positions of the cutting and filtering spokes.

Drawings

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

FIG. 1 is a schematic view of the overall structure of a grain pretreatment apparatus according to an embodiment of the present invention;

fig. 2 is a schematic top view of a regulating upper plate according to an embodiment of the present invention;

FIG. 3 is a schematic top view of a spacer lower plate according to an embodiment of the present invention;

FIG. 4 is a schematic side-curved view of a grain passage according to an embodiment of the present invention; .

The reference numerals in the drawings denote the following, respectively:

1-a grain channel; 2-coarse screening component; 3-fine screening component; 4-a first tear strip; 5-a first push plate; 6-separating and reinforcing strips; 7-a second tear strip; 8-a second push plate; 9-weight gain stabilizing block; 10-extending the fixture block upwards; 11-lower extension fixture block;

21-a spacer lower plate; 22-middle filter plate; 23-regulating and controlling the upper plate; 24-cutting filter spokes; 25-a magnetic attraction area; 26-diameter adjusting plate; 27-a drop hole bar; 28-division bar segments; 29-long parting bead; 210-short parting strips;

231-a central turntable; 232-a flat board;

31-soft rubber ferrule; 32-fine filter sieve plate; 33-setting iron ring; 34-a stand base; 35-a vibration motor; 36-impurity collection port.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in figure 1, the invention provides a comprehensive grain pretreatment device for flour processing, which comprises a grain channel 1 and a filtering mechanism which is arranged in the grain channel 1 and integrates screening, magnetic separation and floating dust removal, wherein the filtering mechanism consists of a coarse screening component 2, a dust blowing component and a fine screening component 3 in sequence according to a filtering sequence, and large granular impurities and metal impurities cleaned by the coarse screening component 2 fall into the fine screening component 3 in a centralized manner to be cleaned.

Compared with the prior art, the process and the structure for removing the metal impurities by filtering and cleaning the large-particle impurities and magnetic attraction are integrated, so that the using device for cleaning the grains is reduced, the grain pretreatment cost is reduced, the occupied area of the grain pretreatment is reduced, the integration is high, and the operation is simple and convenient.

The invention further provides a roughing device, wherein the roughing screening component 2 regulates and controls the screening size of large-particle impurities by changing the filtering aperture, the roughing screening component 2 simultaneously magnetically attracts and screens metal impurities, the roughing screening component 2 removes and falls the large-particle impurities to the surface of the fine screening component 3 for collection in the process of changing the size of the filtering aperture, and the roughing screening component 2 stirs the metal impurities to fall to the surface of the fine screening component 3 for unified collection and cleaning through rotation after changing the size of the filtering aperture.

Under the general condition, the clearance to cereal divide into following three aspect and screens, be granular impurity respectively, dust class impurity and metallic impurity, the dust removal mechanism among the prior art of blowing that this embodiment used can, mainly design coarse screening subassembly 2, coarse screening subassembly 2 combines to change the two-way function of filtering the aperture in order to screen out large granule impurity and absorption metallic impurity, and the granular impurity and the metallic impurity of coarse screening subassembly 2 screening all fall to the unified collection in 3 surfaces of fine screening subassembly and clear up, compare in the prior art with the large granule screening, the mutual independence operation of metallic screening and tiny particle screening is said, the implementation is simpler, and the operation is more convenient, realize the unified collection clearance to impurity, thereby reduce impurity clearance intensity.

Coarse screening subassembly 2 includes upper and lower range upon range of position hypoplastron 21 that distributes, filters median plate 22 and regulation and control upper plate 23, filters median plate 22 fixed mounting in cereal passageway 1, and regulation and control upper plate 23 and position hypoplastron 21 respectively movable mounting at the upper and lower surface of filtering median plate 22, filters median plate 22 and is equipped with a plurality of evenly distributed and uses the center of filtering median plate 22 as the cutting of starting point and filter spoke 24, is equipped with the magnetism region 25 of inhaling that is used for adsorbing metallic impurity between two adjacent cutting filter spokes 24.

As shown in fig. 3, the spacer lower plate 21 is provided with a plurality of diameter adjusting plates 26 which are uniformly distributed and correspond to the cutting and filtering spokes 24 one by one, the diameter adjusting plates 26 are used for changing the interval size of each cutting and filtering spoke 24 to adjust and control the filtering aperture of the grain, each diameter adjusting plate 26 is provided with a falling hole strip 27 corresponding to the matched cutting and filtering spoke 24, the spacer lower plate 21 cleans large granular impurities filtered by the diameter adjusting plates 26 in the process that the falling hole strips 27 of the rotating diameter adjusting plates 26 are matched and correspond to the cutting and filtering spokes 24, and the spacer lower plate 21 rotates the adjusting and controlling upper plate 23 to clean the metal impurities in the magnetic attraction area 25 after the falling hole strips 27 are matched and correspond to the cutting and filtering spokes 24.

Cereal filters spoke 24 whereabouts to accent footplate piece 26 from the cutting, rotate accent footplate piece 26 and regulate and control every cutting and filter spoke 24's filtration aperture in order to realize filtering different size's impurity, and utilize magnetism to inhale the metallic impurity in regional 25 absorption cereal, and then rotate accent footplate piece 26 to the whereabouts hole strip 27 of accent footplate piece 26 and cut and filter spoke 24 position when matching, inhale the extrusion of regional 25 of magnetism and fall to fine screening subassembly 3 with impurity through whereabouts hole strip 27, and when rotating regulation and control upper plate 23, regulate and control upper plate 23 and constantly push the metallic impurity on the magnetism is inhaled regional 25, and shift metallic impurity to fine screening subassembly 3 from whereabouts hole strip 27.

Consequently, this embodiment's structural design is reasonable, will filter big impurity and filter metallic impurity and combine organically to utilize a coarse screening subassembly 2 to realize in step that filter big impurity and filter metallic impurity's difunctional, and concentrate impurity unified collection, the later stage clearance of being convenient for, and improve the efficiency of impurity clearance.

The number of the diameter-adjusting plates 26 divided by the partition lower plate 21 is the same as the number of the cutting filter spokes 24, and the area of the diameter-adjusting plates 26 is three times of that of the cutting filter spokes 24, so the number and the width of the cutting filter spokes 24 are mainly determined by the number of the diameter-adjusting plates 26 divided by the partition lower plate 21.

Each diameter-adjusting plate 26 mainly comprises a division bar fan-shaped block 28 and a falling hole strip 27, a plurality of long division bars 29 which are uniformly distributed are arranged in the division bar fan-shaped block 28, at least one short division bar 210 is arranged between every two adjacent long division bars 29, the filtering aperture of the cutting filtering spoke 24 is adjusted and controlled by adjusting and controlling the corresponding positions of the long division bars 29, the short division bars 210 and the cutting filtering spoke 24 when the division position lower plate 21 rotates, the length of the long division bars 29 is twice that of the short division bars 210, the width of the falling hole strips 27 and the length of the short division bars 210 are respectively the same as that of the cutting filtering spoke 24, a division reinforcing bar 6 is arranged in the middle position of the long division bars 29 of the division bar fan-shaped block 28, the opening end of the short division bars 210 is fixedly arranged on the side face of the division reinforcing bar 6, and the stability of the long division bars 29 and the short division bars 210 when the impurities are filtered is increased.

Each diameter adjusting plate 26 is composed of a partition strip fan-shaped block 28 and a falling hole strip 27, long partition strips 29 and short partition strips 210 of each partition strip fan-shaped block 28 are distributed in a staggered mode, when the partition position lower plate 21 is rotated until the long partition strips 29 correspond to the positions of cutting and filtering spokes 24, the diameter of the filtering hole diameter is large at the moment, coarse screening is achieved, large-particle impurities are filtered, when the partition position lower plate 21 is continuously rotated until the long partition strips 29 and the short partition strips 210 correspond to the positions of cutting and filtering spokes 24, the distribution density of the partition strips is large at the moment, the filtered impurity particles are relatively small at the moment, the diameter of the filtered impurity particles is small, and therefore the effective adjustment of the filtering hole diameter can be achieved.

Filtered impurity mainly distributes at parting bead sector 28, continues to rotate parting bead sector 28, when rotating the position that falls hole strip 27 to corresponding at cutting filtration spoke 24, the impurity on parting bead sector 28 falls to the surface of fine screening subassembly 3 through falling hole strip 27 and concentrates the clearance, consequently this embodiment with the structure and the function combination back of parting bead hypoplastron 21 and filtration medium plate 22, not only can realize regulating and control the filtration aperture to cereal, can also realize the clearance function to the granule impurity that the filter sieve chooseed.

As shown in fig. 4, a first tear strip 4 is disposed on a side surface of the grain channel 1, a first push plate 5 passing through the first tear strip 4 is disposed on a side curved surface of the separation lower plate 21, a mark of a rotation position between the separation lower plate 21 and the filtering middle plate 22 is disposed on the first tear strip 4, and a specific implementation manner of rotating the separation lower plate 21 is as follows: the first push plate 5 is pushed to rotate along the first opening strip 4 so as to rotate the spacing lower plate 21, and the relative rotation positions of the current spacing lower plate 21 and the cutting and filtering spoke 24 are respectively marked by large particles, small particles and cleaning.

That is, the spacer lower plate 21 rotates forward and backward with the position where the long spacers 29 face the cutting filter spokes 24 as a starting point, and the corresponding positions of the spacer lower plate 21 and the cutting filter spokes 24 transfer large particle impurities filtered by the spacer segments 28 to the fine screening module 3 through the slots of the falling hole stripes 27 in the process of transferring the large particle impurities from the spacer segments 28 to the falling hole stripes 27.

As shown in fig. 2, the upper control plate 23 includes a central turntable 231 and a plurality of flat plates 232 uniformly disposed at the edge of the central turntable 231, the central turntable 231 is movably mounted at the central position of the upper surface of the middle filter plate 22, the number of the flat plates 232 is the same as the number of the magnetic attraction areas 25, and each of the flat plates 232 is correspondingly disposed on the magnetic attraction area 25 of the middle filter plate 22.

At normal filtration screening work in-process, rotate tiling board 232 to magnetism inhale regional 25 on, the regional 25 area of magnetism is inhaled this moment for adsorb the metallic impurity in the cereal, after filter work accomplishes, rotate regulation and control upper plate 23, tiling board 232 will inhale regional 25 rotation that makes a round trip to relapse in order to fall metallic impurity from whereabouts hole strip 27 to the clearance of collecting of fine screening subassembly 3 in order to correspond magnetism.

The side surface of grain passageway 1 is equipped with second tear strip 7, and the marginal position of the tiling board 232 that corresponds with second tear strip 7 is equipped with the second push pedal 8 that passes grain passageway 1 side curved surface, and the realization method that rotates regulation and control upper plate 23 specifically does:

promote the rotation of second push pedal 8 along second tear strip 7, wherein, the length of seting up of second tear strip 7 is related to magnetic attraction regional 25 offer the angle, and the radian of seting up of second tear strip 7 is the same with the fan-shaped angle that magnetic attraction regional 25 corresponds promptly, and second push pedal 8 makes a round trip to rotate in second tear strip 7 can be with the magnetic attraction regional 25 that corresponds on the impurity clearance.

In addition, the edge position of every tiling board 232 is equipped with weight stabilization piece 9, and tiling board 232 keeps the in close contact with magnetic absorption region 25 under the pushing down effect of weight stabilization piece 9, and tiling board 232 rotates under the state that the hole strip 27 that falls matches corresponds cutting filter spoke 24 with the metallic impurity that adsorbs on magnetic absorption region 25 falls to fine screening subassembly 3.

Preferably, a plurality of upper extension blocks 10 and lower extension blocks 11 are uniformly distributed at the edge of the middle filter plate 22, the upper extension blocks 10 are correspondingly sleeved on the edge of the lower spacer plate 21 to support the lower spacer plate 21, and the lower extension blocks 11 are correspondingly sleeved below the edge of the upper control plate 23 to press the upper control plate 23.

As can be seen from the above, as shown in fig. 1, the lower partition plate 21 and the middle filter plate 22 are used in cooperation to form a combined structure capable of adjusting and controlling the filter aperture, and the upper control plate 23 can remove the metal impurities adsorbed on the middle filter plate 22 when rotating, so as to avoid the deformation of the lower partition plate 21 due to stress and to improve the stability of the removal operation of the upper control plate 23, in this embodiment, the upper extension fixture block 10 is correspondingly fitted on the edge of the lower partition plate 21 to support the lower partition plate 21, and the lower extension fixture block 11 is tightly covered on the upper control plate 23 to improve the stability of the removal operation of the metal impurities on the upper control plate 23.

Fine screening subassembly 3 includes according to the flexible glue lasso 31 at 1 lower extreme of cereal passageway, and filter the sieve 32 through the thin of bolt fastening on flexible glue lasso 31 inner wall, the surface of flexible glue lasso 31 is equipped with support base 34 through setting hoop 33, vibrating motor 35 is installed to the position that corresponds fine filtration sieve 32 on the support base 34, vibrating motor 35 is through driving fine filtration sieve 32 mechanical vibration in order to realize the fine filtration processing to cereal, the side curved surface of flexible glue lasso 31 is equipped with impurity collection mouth 36 at the last border of fine filtration sieve 32, coarse screening subassembly 2 filterable large granule impurity and magnetism inhale regional 25 adsorbed metallic impurity and all collect mouthful 36 unified clearance through impurity.

This embodiment utilizes vibrating motor 35 to increase the vibration frequency of fine screening subassembly 3 to the granule impurity is collected through the whereabouts of fine filtration sieve 32, and the cereal after filtering impurity preliminary treatment shifts to windrow department from flexible glue lasso 31.

And when finishing once filtering screening work, suspend to throw the material, fall the fine filtration sieve 32 and collect with the large granule impurity and the metallic impurity that separate position hypoplastron 21 and filter median plate 22 filtered out, the impurity of collecting passes through impurity collection mouth 36 and clears up in unison.

The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.

Claims

1. A cereal roughing device for flour processing which characterized in that: including cereal passageway (1) to and integrated setting is in cereal passageway (1) and upper and lower range upon range of the position hypoplastron (21) that separates that distributes, filtration median plate (22) fixed mounting be in cereal passageway (1), just regulation and control upper plate (23) with separate position hypoplastron (21) respectively movable mounting be in the upper and lower surface of filtration median plate (22), it filters spoke (24) to filter the cutting that median plate (22) is equipped with a plurality of evenly distributed, and two are adjacent it inhales region (25) to be equipped with the magnetism that is used for adsorbing metallic impurity between spoke (24) to cut.

2. The grain roughing device for flour processing as recited in claim 1 further comprising: the spacing lower plate (21) is provided with a plurality of diameter adjusting plates (26) which are uniformly distributed and correspond to the cutting and filtering spokes (24) one by one, and the diameter adjusting plates (26) are used for adjusting and controlling the spacing size of each cutting and filtering spoke (24) so as to change the filtering aperture of grains.

3. The grain roughing device for flour processing as recited in claim 2 further comprising: each diameter adjusting plate (26) mainly comprises a division bar sector (28) and a falling hole bar (27).

4. The grain roughing device for flour processing as recited in claim 3 further comprising: every of transfer board piece (26) the size of falling hole strip (27) with spoke (24) one-to-one is filtered in the cutting, rotates falling hole strip (27) with spoke (24) position matching corresponds the in-process clearance is filtered out to transfer board piece (26) large granule impurity, and is in falling hole strip (27) with spoke (24) position matching is filtered in the cutting rotates after corresponding regulation upper plate (23) is in order to clear up the metallic impurity of region (25) is inhaled to magnetism.

5. The grain roughing device for flour processing as recited in claim 4 further comprising: the number of the diameter adjusting plates (26) divided on the lower partition plate (21) is the same as that of the cutting and filtering spokes (24), and the area of the diameter adjusting plates (26) is three times that of the cutting and filtering spokes (24).

6. The grain roughing device for flour processing as recited in claim 5 further comprising: the partition strip fan-shaped block (28) is internally provided with a plurality of long partition strips (29) which are uniformly distributed, at least one short partition strip (210) is arranged between every two adjacent long partition strips (29), and the partition position lower plate (21) changes the filtering aperture of the cutting and filtering spoke (24) by regulating and controlling the positions of the long partition strips (29) and the short partition strips (210) corresponding to the cutting and filtering spoke (24) when rotating.

7. The grain roughing device for flour processing as recited in claim 6 further comprising: the length of the long division bar (29) is twice that of the short division bar (210), and the width of the falling hole bar (27) and the length of the short division bar (210) are respectively the same as the width of the cutting and filtering spoke (24).

8. The apparatus for roughing a grain for flour processing according to claim 1 or 7, characterized in that: the side surface of the grain channel (1) is provided with a first opening strip (4), a first push plate (5) penetrating through the first opening strip (4) is arranged on a side curved surface of the separation lower plate (21), the separation lower plate (21) rotates with the position of the cutting and filtering spoke (24) just corresponding to the long separation strip (29) as a starting point according to a fixed direction, and large-particle impurities filtered by the separation strip fan-shaped block (28) fall down when the falling hole strip (27) rotates to the position under the cutting and filtering spoke (24).