CN212791874U

CN212791874U - Grain processing primary treatment device

Info

Publication number: CN212791874U
Application number: CN202021402970.1U
Authority: CN
Inventors: 严怡璇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-03-26
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a grain processing primary treatment device, which comprises a machine table, a treatment box transversely arranged on the machine table, a blanking hopper connected with the bottom end of the treatment box, a feed inlet arranged at the top end of the treatment box, and a slot arranged at the top end of the treatment box and positioned at the right side of the feed inlet; and a spiral screening mechanism is arranged at a feed inlet above the treatment box. The utility model discloses collect gravity screening, spiral screen and three kinds of screening modes of wind-force screening in an organic whole, can carry out elementary screening processing when grain, let grain free fall sieve and fall fast and carry out spiral screening on the screen cloth, grain receives wind-force screening simultaneously, lets grain further sieve the processing, reduces the content of impurity granule in the grain by a wide margin, has improved the effect of grain primary processing, has reduced the processing degree of difficulty of grain later stage processing.

Description

Grain processing primary treatment device

Technical Field

The utility model relates to a grain processing equipment field especially relates to grain screening process, specifically is a grain processing primary treatment device.

Background

The grain is a general term for various plant seeds in the cooked food, and can also be generally called as 'grain', and the grain crops contain rich nutrient substances, mainly including protein, vitamins, dietary fibers, fat and the like; grain is processing, need carry out the screening of grain, air-dries, processing procedure such as rice milling, along with the continuous development of science and technology, the primary processing device who is applied to grain screening of different types has appeared in the market.

The existing grain processing primary treatment device can only carry out simple gravity screening on grains through the filter screen when the grains are screened and processed, and the grains pass through the filter screen which is arranged obliquely, so that the grains roll along the surface of the filter screen under the action of gravity, and the subsequent grain processing is carried out after the grains are screened; the grain screening mode has the advantages that the screening speed is low, and the content of impurity particles in grains is large; the grain screening effect is extremely poor, the processing difficulty of grain later-stage processing is influenced, and the grain processing primary treatment device is not beneficial to popularization and application.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a grain processing primary treatment device to current gravity screening mode screening speed that provides in solving above-mentioned background art is slow, the screening effect is poor, the big problem of the grain later stage processing degree of difficulty.

In order to achieve the above object, the utility model provides a following technical scheme:

a primary processing device for grain processing comprises a machine table, a processing box transversely arranged on the machine table, a discharging hopper connected to the bottom end of the processing box, a feeding hole formed in the top end of the processing box, and a slot formed in the top end of the processing box and located on the right side of the feeding hole; handle the feed inlet department of case top and install spiral screening mechanism, the right side that should handle the case is connected with air separation mechanism, and air separation mechanism and spiral screening mechanism cooperate and be used for screening the processing to grain.

Preferably, the spiral screening mechanism comprises a screening box, a sorting frame movably arranged in the screening box, and a feeding hopper connected to the top end of the screening box.

Preferably, the left side of the screening box is obliquely provided with a first placing groove, the right side of the screening box is obliquely provided with a second placing groove, the second placing groove is positioned above the first placing groove, and the upper end and the lower end of the screening box are communicated with each other; the sorting frame comprises at least two groups of spiral screening plates, and each group of spiral screening plates comprises a first screening plate and a second screening plate.

Preferably, the first screening plate and the second screening plate both comprise a screen, a stop block fixedly connected to the outer side of the screen and a handle fixed on the stop block; the screen mesh of the first screening plate is obliquely inserted into the first placing groove and extends into the inner cavity of the screening box, the screen mesh of the second screening plate is obliquely inserted into the second placing groove and extends into the inner cavity of the screening box, and the first screening plate is positioned below the second screening plate; the stop block is close to the outer side wall of the screening box; the right side of the first screening plate does not contact the right side of the inner cavity of the screening box, and the left side of the second screening plate does not contact the left side of the inner cavity of the screening box.

Preferably, the winnowing mechanism comprises a fan fixed on the right side of the top end of the machine table and a flow equalizing plate vertically inserted into the slot and extending into the treatment box.

Preferably, the air outlet of the fan is respectively connected with a first conveying pipe and a second conveying pipe, the outlet of the first conveying pipe is connected to the right side of the treatment box, the outlet of the first conveying pipe is located on the right side of the flow equalizing plate, and the outlet of the second conveying pipe is connected to the upper portion of the screening box.

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

the utility model integrates gravity screening, spiral screening and wind screening, which can lead the grain to freely fall for gravity screening and quickly fall on the screen for spiral screening when the grain is primarily screened and processed, thus reducing the content of impurity particles in the grain; utilize the cooperation of fan and conveyer pipe to carry out the secondary screening to grain simultaneously for grain receives wind-force screening, lets grain further carry out screening processing, reduces the content of foreign particles in the grain by a wide margin, has improved the effect of the elementary processing of grain, has greatly reduced the processing degree of difficulty of grain post processing, is favorable to this elementary processing apparatus's using widely.

Drawings

FIG. 1 is a sectional view of the structure of the present invention;

FIG. 2 is a schematic view of the structure of the treatment tank combined with the spiral sieving mechanism of the present invention;

FIG. 3 is a perspective view of the treatment chamber of the present invention;

FIG. 4 is a right perspective view of the structure of the sizing box of the present invention;

FIG. 5 is a left side perspective view of the structure of the sizing box of the present invention;

fig. 6 is a schematic structural view of the first sieving plate of the present invention.

In the figure: the device comprises a machine table 1, a treatment box 2, a collection table 21, a discharge hopper 22, a feed inlet 23, a slot 24, a flow equalizing plate 3, a fan 4, a first delivery pipe 41, a second delivery pipe 42, a spiral screening mechanism 5, a screening box 51, a first 511 placing groove, a second 512 placing groove, a sorting frame 52, a first 521 screening plate, a 5211 screen mesh, a 5212 stop block, a 5213 handle, a second 522 screening plate and a feeding hopper 53.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a primary processing device for grain processing comprises a machine table 1, a processing box 2 transversely installed on the machine table 1, a discharging hopper 22 connected to the bottom end of the processing box 2, a feeding hole 23 arranged at the top end of the processing box 2, and a slot 24 arranged at the top end of the processing box 2 and positioned on the right side of the feeding hole 23; a spiral screening mechanism 5 is arranged at a feed inlet 23 above the treatment box 2, the right side of the treatment box 2 is connected with a winnowing mechanism, and the winnowing mechanism is matched with the spiral screening mechanism 5 for screening grain; through the spiral screening mechanism 5, when primary screening processing is carried out on grains, spiral free falling effect is generated on the guided-in grains by using the screening box 51 and the sorting frame 52, so that the grains are screened in a spiral mode on the screen 5211.

Referring to fig. 2, 4, 5 and 6, the spiral screening mechanism 5 includes a screening box 51, a sorting frame 52 movably disposed in the screening box 51, and a feeding hopper 53 connected to the top end of the screening box 51; a first placing groove 511 is obliquely formed in the left side of the screening box 51, a second placing groove 512 is obliquely formed in the right side of the screening box 51, the second placing groove 512 is located above the first placing groove 511, and the upper end and the lower end of the screening box 51 are communicated with each other; the sorting frame 52 comprises at least two sets of spiral screening plates, and each set of spiral screening plates comprises a first screening plate 521 and a second screening plate 522; the first screening plate 521 and the second screening plate 522 both include a screen 5211, a block 5212 fixedly connected to the outside of the screen 5211, and a handle 5213 fixed to the block 5212; the screen 5211 of the first screening plate 521 is obliquely inserted into the first placing groove 511 and extends into the inner cavity of the screening box 51, the screen 5211 of the second screening plate 522 is obliquely inserted into the second placing groove 512 and extends into the inner cavity of the screening box 51, and the first screening plate 521 is positioned below the second screening plate 522; the block 5212 is adjacent to the outer sidewall of the sieve box 51; the right side of the first screening plate 521 does not contact the right side of the interior cavity of the screening tank 51 and the left side of the second screening plate 522 does not contact the left side of the interior cavity of the screening tank 51.

In the above scheme, the steps of installing the first screening plate 521 and the second screening plate 522 are as follows: the screen 5211 of the second screening plate 522 is obliquely inserted into the cavity of the second accommodating groove 512, so that the block 5212 of the second screening plate 522 approaches to the right side wall of the screening box 51; then, the screen 5211 of the first screening plate 521 is obliquely inserted into the cavity of the first accommodating slot 511, so that the block 5212 of the first screening plate 521 approaches to the left side wall of the screening box 51; wherein, a feeding space is formed between the end of the screen 5211 and the side wall of the screening box 51, so that the grains can freely fall from the feeding space; the block 5212 is provided to form a blocking mechanism for stably limiting the inclined screen 5211 in the seating groove, so that the first and

second sifting plates

521 and 522 are stably seated in the seating groove.

Referring to fig. 1 and 2, the air separation mechanism includes a fan 4 fixed on the right side of the top of the machine 1, and a flow equalizing plate 3 vertically inserted into the slot 24 and extending into the processing box 2; the air outlet of the fan 4 is respectively connected with a first conveying pipe 41 and a second conveying pipe 42, the outlet of the first conveying pipe 41 is connected to the right side of the treatment box 2, the outlet of the first conveying pipe 41 is positioned on the right side of the flow equalizing plate 3, and the outlet of the second conveying pipe 42 is connected above the screening box 51; the arrangement of the slots 24 can vertically insert the flow equalizing plate 3 into the processing box 2, so that the flow equalizing plate 3 is convenient to mount and dismount, and the replacement and maintenance of the flow equalizing plate 3 are facilitated; the flow equalizing plate 3 plays a role in uniformly distributing airflow generated by the fan 4 in the processing box 2, so that wind generated by the running fan 4 can be used for carrying out wind screening on grains in the processing box 2, and lighter impurity particles in the grains are blown to the collecting table 21 for collection; the flow equalizing plate 3 is a 968 old-fashioned air outlet flow equalizing plate made of 304 stainless steel.

The arrangement of the first conveying pipe 41 and the second conveying pipe 42 can respectively blow the air flow generated by the fan 4 in operation to the inner cavities of the processing box 2 and the screening box 51, thereby facilitating the wind screening processing of grains.

In the scheme, the fan 4 adopts an RB-055, 3.7KW or HYF-1060 type fan, and when the fan 4 operates, generated air is respectively conveyed to the inner cavities of the treatment box 2 and the screening box 51 through the first conveying pipe 41 and the second conveying pipe 42; therefore, the wind output by the first conveying pipe 41 is conveyed to the inside of the treatment box 2 through the flow equalizing plate 3 to carry out wind power screening on the grains, and the wind conveyed by the second conveying pipe 42 is conveyed to the inside of the screening box 51 from top to bottom to carry out screening on the grains.

The working principle is as follows: during the use, the fan 4 is started in advance, then, grains are put into the inner cavity of the screening box 51 through the feeding hopper 53, the grains enter the first screening plate 521 and the second screening plate 522 under the action of gravity, the grains freely fall on the screen 5211 of the first screening plate 521 and the screen 5211 of the second screening plate 522, so that the grains fall spirally, after impurity particles in the grains are primarily screened through the screen 5211, the grains are blown into the screening box 51 and enter the treatment box 2 from top to bottom through the wind conveyed by the second conveying pipe 42, and then are subjected to wind screening through the wind conveyed by the first conveying pipe 41, so that the screening speed of the grains is increased, the screening effect of the grains is improved, the screened impurity particles are guided out through the collecting table 21, and the screened grains are discharged through the feeding hopper 22.

The utility model discloses a spiral screening mechanism 5 that sets up can utilize screening case 51 and sorting frame 52 to produce the effect of spiral free fall to the grain of importing when grain carries out elementary screening processing to let grain carry out spiral screening at screen cloth 5211, and utilize the cooperation of fan 4 and second conveyer pipe 42, make grain fall fast and carry out spiral screening, greatly reduce the content of impurity particle in the grain, improved the effect of grain elementary processing; grain by spiral screening continues free fall simultaneously, carries out the secondary screening to grain through fan 4 and first conveyer pipe 41's cooperation for grain receives wind-force screening, lets grain by further screening processing, reduces the content of foreign particles in the grain by a wide margin, thereby has reduced the processing degree of difficulty of grain later stage processing, is favorable to this grain processing elementary processing apparatus's using widely.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A primary processing device for grain processing comprises a machine table (1), a processing box (2) transversely installed on the machine table (1), a discharging hopper (22) connected to the bottom end of the processing box (2), a feeding hole (23) formed in the top end of the processing box (2), and a slot (24) formed in the top end of the processing box (2) and located on the right side of the feeding hole (23); the method is characterized in that: handle feed inlet (23) department of case (2) top and install spiral screening mechanism (5), the right side that should handle case (2) is connected with selection by winnowing mechanism, and selection by winnowing mechanism and spiral screening mechanism (5) cooperate and be used for screening the processing to grain.

2. The grain processing primary treatment apparatus of claim 1, wherein: the spiral screening mechanism (5) comprises a screening box (51), a sorting frame (52) movably arranged in the screening box (51) and a feeding hopper (53) connected to the top end of the screening box (51).

3. The grain processing primary treatment apparatus of claim 2, wherein: a first placing groove (511) is obliquely formed in the left side of the screening box (51), a second placing groove (512) is obliquely formed in the right side of the screening box (51), the second placing groove (512) is located above the first placing groove (511), and the upper end and the lower end of the screening box (51) are communicated with each other; the sorting frame (52) comprises at least two groups of spiral screening plates, and each group of spiral screening plates comprises a first screening plate (521) and a second screening plate (522).

4. The grain processing primary treatment apparatus of claim 3, wherein: the first screening plate (521) and the second screening plate (522) respectively comprise a screen (5211), a stop block (5212) fixedly connected to the outer side of the screen (5211), and a handle (5213) fixed on the stop block (5212); the screen (5211) of the first screening plate (521) is obliquely inserted into the first placing groove (511) and extends into the inner cavity of the screening box (51), the screen (5211) of the second screening plate (522) is obliquely inserted into the second placing groove (512) and extends into the inner cavity of the screening box (51), and the first screening plate (521) is positioned below the second screening plate (522); the block (5212) is close to the outer side wall of the screening box (51); the right side of the first screening plate (521) does not contact the right side of the inner cavity of the screening box (51), and the left side of the second screening plate (522) does not contact the left side of the inner cavity of the screening box (51).

5. The grain processing primary treatment apparatus of claim 1, wherein: the winnowing mechanism comprises a fan (4) fixed on the right side of the top end of the machine table (1) and a flow equalizing plate (3) vertically inserted into the slot (24) and extending into the treatment box (2).

6. The grain processing primary treatment apparatus of claim 5, wherein: the air outlet of the fan (4) is respectively connected with a first conveying pipe (41) and a second conveying pipe (42), the outlet of the first conveying pipe (41) is connected to the right side of the treatment box (2), the outlet of the first conveying pipe (41) is located on the right side of the flow equalizing plate (3), and the outlet of the second conveying pipe (42) is connected to the upper portion of the screening box (51).