CN211989698U

CN211989698U - Compound grain cleaning machine

Info

Publication number: CN211989698U
Application number: CN202020276668.XU
Authority: CN
Inventors: 张国红; 邢建平; 王健
Original assignee: Shijiazhuang Sanli Grain Machinery Co ltd
Current assignee: Shijiazhuang Sanli Grain Machinery Co ltd
Priority date: 2020-03-09
Filing date: 2020-03-09
Publication date: 2020-11-24
Anticipated expiration: 2030-03-09

Abstract

The utility model relates to a compound grain cleaning machine, which comprises a bulk grain winnowing feeding box and a specific gravity separation device arranged below a discharge port of the bulk grain winnowing feeding box; the bulk grain winnowing feeding box comprises a box body, a dust collecting cover arranged in the box body and a dedusting air pipe positioned below the dust collecting cover, wherein a through hole is formed in the dedusting air pipe at a position corresponding to the dust collecting cover, and a sundry inlet is formed in the lower part of the dedusting air pipe; the utility model discloses a dust removal tuber pipe and collection dirt lid have in the box, upper portion at the dust removal tuber pipe is equipped with the through-hole, the lower part is equipped with into miscellaneous mouthful, the material enters into the box back, can utilize the top of collection dirt lid to carry out the effect of dispersing grains, then at the in-process that falls down, dust is at first through the clearance between dust removal tuber pipe and the collection dirt lid in the through-hole enters into the dust removal tuber pipe, light miscellaneous entering into the dust removal tuber pipe through going miscellaneous mouthful, dust and light miscellaneous separately adsorb, it is more direct to remove dust and the effect of removing light miscellaneous, the volume of whole grain selection by winnowing feed box that looses simultaneously is also less, the.

Description

Compound grain cleaning machine

Technical Field

The utility model relates to a grain screening installation field specifically is a double entry grain cleaner.

Background

The specific gravity classificator is one of the necessary devices in the grain screening process, and mainly comprises an air screening part and a specific gravity classifying part. Used for removing light impurities, big impurities, small impurities, mildewed grains and other impurities doped in grains. The existing wind screening part comprises a feeding box, a wind screen and a screen box part, and materials need to enter the wind screen after being scattered by the feeding box to be layered under the action of wind pressure of a fan so as to remove light impurities in the materials. The feeding box and the air screen are of independent structures, the size is large, the material layering effect is mainly limited by the bulk cargo effect of the feeding box, and if the volume of the feeding box is increased to improve the bulk cargo effect, the volume of the whole machine can be further increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a double entry grain cleaning machine is provided, it combines bulk grain, wind sieve part, and the structure is compacter, and the dust removal effect is more direct in the box.

The utility model adopts the technical proposal that: a compound grain cleaning machine comprises a bulk grain winnowing feeding box and a specific gravity separation device arranged below a discharge port of the bulk grain winnowing feeding box;

the bulk grain winnowing feeding box comprises a box body, a dust collecting cover arranged in the box body and a dedusting air pipe positioned below the dust collecting cover, wherein a through hole is formed in the dedusting air pipe at a position corresponding to the dust collecting cover, and a sundry inlet is formed in the lower part of the dedusting air pipe.

Furthermore, the dust removal air pipe is positioned under the dust collection cover, and the through hole is positioned at the upper part of the dust removal air pipe.

Furthermore, the top surface of the dust collecting cover is an inclined grain dispersing plate, and materials fall onto the top surface after entering the box body for grain dispersing.

Furthermore, an upper material scattering plate is arranged on the side wall of the box body, the position of the upper material scattering plate in the box body is higher than the lowest end of the top surface, and the material falls onto the upper material scattering plate and/or the top surface after entering the box body.

Furthermore, a lower bulk material plate and a bulk material inclined plate which are oppositely arranged are arranged below the dust removal air pipe in the box body.

Furthermore, the lower bulk material plate and the bulk material inclined plate are arranged oppositely, and the material falling to the lower side of the dust removal air pipe falls onto the lower bulk material plate and/or the bulk material inclined plate and is then discharged.

Furthermore, a material guide plate is arranged on one side or two sides of the impurity inlet.

Furthermore, a vertical air screen is arranged between the discharge port of the bulk grain winnowing feeding box and the specific gravity separation device.

Furthermore, a grading sieve is arranged between the discharge port of the bulk grain winnowing feeding box and the specific gravity separation device.

Furthermore, one end of the dust removal air pipe is communicated with the dust remover.

The utility model discloses an actively the effect does: the utility model discloses a dust removal tuber pipe and collection dirt lid have in the box, upper portion at the dust removal tuber pipe is equipped with the through-hole, the lower part is equipped with into miscellaneous mouthful, the material enters into the box back, can utilize the top of collection dirt lid to carry out the grain effect of loosing, then at the in-process that falls down, dust is at first through the clearance between dust removal tuber pipe and the collection dirt lid in the through-hole enters into the dust removal tuber pipe, the material after getting rid of dust continues the whereabouts, light miscellaneous mouthful entering into the dust removal tuber pipe through advancing, dust and light miscellaneous separately adsorb, and wholly be located the box, remove dust and remove the effect of light miscellaneous more direct, the volume of whole grain selection by winnowing feed box that looses simultaneously is also less.

Drawings

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

fig. 2 is a schematic structural view of embodiment 2 of the present invention;

fig. 3 is a schematic structural view of embodiment 3 of the present invention;

fig. 4 is a schematic view of the structure of the bulk grain winnowing feeding box of the utility model.

Detailed Description

Example 1

As shown in attached figures 1 and 4, the utility model comprises a bulk grain winnowing feeding box, a vertical air screen and a classifying screen 16 which are communicated with a discharge port 9 of the bulk grain winnowing feeding box, and a specific gravity separation device 17 arranged below a discharge port of the classifying screen 16. After the materials come out from the bulk grain winnowing feeding box, the materials are firstly winnowing and dedusting through the vertical air screen, and then enter the grading screen 16 for grading.

Bulk grain selection by winnowing feeding case includes box 1, sets up collection dirt lid 5 in box 1 and sets up the dust removal tuber pipe 6 in collection dirt lid 5 below, and the one end of dust removal tuber pipe 6 is connected with dust remover 18, and there is feed inlet 2 at the top of box 1, and there is discharge gate 9 bottom of box 1.

In this embodiment, the dust remover 18 is located at one side close to the dust removing air duct 6, the dust remover 18 is only connected with the dust removing air duct 6, no air separation is performed at the discharge end of the classifying screen 16, and the material discharged from the classifying screen 16 directly falls onto the gravity separation device 17.

The dust collecting cover 5 is provided with a lower opening and a top surface 14 which is obliquely arranged and used for shunting the materials to one side of the dust collecting cover 5. Rotate on the left lateral wall of box 1 simultaneously and be provided with bulk cargo board 3, install on last bulk cargo board 3 and adjust handle 4, can adjust the angle of going up bulk cargo board 3 in box 1 through last adjust handle 4, it sets up with top surface 14 relatively to go up bulk cargo board 3, and the least significant end of bulk cargo board 3 is higher than the least significant end of top surface 14, form approximate V-arrangement, the material that gets into from feed inlet 2 falls on last bulk cargo board 3 or top surface 14, then continues the whereabouts again, the effect of bulk cargo has been realized.

The upper portion of dust removal tuber pipe 6 is corresponding with the lower part opening of collection dirt lid 5, and is provided with through-hole 15 on the upper portion of dust removal tuber pipe 6, installs the round hole sieve piece in the corresponding position department that dust removal tuber pipe 6 was provided with through-hole 15, has into miscellaneous mouthful 12 in the bottom, and through-hole 15 is located the opening of collection dirt lid 5, and is corresponding with the opening of collection dirt lid 5, and dust is inhaled behind collection dirt lid 5, can fall once more and enter into in the dust removal tuber pipe 6 through-hole 15.

Be provided with punishment in advance clearance 13 between the left side of dust removal tuber pipe 6 and the left side wall of box 1, the material gets into the back from feed inlet 2, at first carries out bulk grain through last bulk cargo board 3 and top surface 14, then falls into punishment in advance clearance 13, in the punishment in advance clearance, dust is because weight is lighter, can be inhaled in the collection dirt lid 5, the great material of weight and light miscellaneous continuation whereabouts to advance miscellaneous mouthful 12 position department, light miscellaneous under the negative pressure effect enters into dust removal tuber pipe 6 through entering miscellaneous mouthful 12 in.

The lower bulk material plate 7 and the bulk material inclined plate 10 which are arranged oppositely are arranged below the dust removal air pipe 6 in the box body 1, the lower bulk material plate 7 is rotatably arranged on the inner wall of the box body 1 and is positioned below the material passing gap 13, and after falling onto the lower bulk material plate 7, the material falls onto the bulk material inclined plate 10 again to disperse the grain again, so that a good grain dispersing effect is ensured. Meanwhile, a lower adjusting handle 8 for adjusting the angle of the lower powder dispersing plate 7 is arranged on the lower powder dispersing plate 7.

In order to separate dust and light impurities at the impurity inlet 12 better, a guide plate 11 is arranged at the left side of the impurity inlet 12.

As a further improvement of this embodiment, the lengths of the upper bulk material plate 3 and the lower bulk material plate 7 can be adjusted to change the gap between the upper bulk material plate and the top surface 14 or the bulk material inclined plate 10. A structure form of connecting the extension plates by using bolts may be adopted. This structure is specifically described in the prior patent and will not be described in detail here.

In this embodiment, the classifying screen 16 and the gravity sorting device 17 are both in the prior art, and are not described in detail herein.

Example 2

As shown in fig. 2, the present embodiment is further improved on the basis of embodiment 1, and a negative pressure air suction opening is also arranged at the discharge end of the classifying screen 16, so that the secondary air separation is performed on the material discharged from the classifying screen, and the dust removal effect is better.

Example 3

As shown in fig. 3, in this embodiment, the structure of the bulk grain winnowing feeding box is unchanged, and the classifying screen 16 in embodiment 1 is omitted, so that the material flowing out of the bulk grain winnowing feeding box directly falls onto the gravity separation device 17.

Example 4

As shown in the attached drawing 3, the device is further improved on the basis of the embodiment 3, a vertical air screen is added at the discharge port of the bulk grain winnowing feeding box, and the materials subjected to dust removal by the bulk grain winnowing feeding box are further winnowed, so that the winnowing effect is better, and light impurities and dust in the materials are effectively removed.

The utility model discloses a arrange bulk grain and dust removal function in a box jointly, the material that gets into box 1 is behind the bulk cargo, by dust and light impurity in the dust removal tuber pipe adsorption material, the structure is compacter, and dust removal work is gone on in the box, and the effect is more direct, and the effect is also better.

Claims

1. A compound grain cleaning machine is characterized by comprising a bulk grain winnowing feeding box and a specific gravity separation device (17) arranged below a discharge port (9) of the bulk grain winnowing feeding box;

the bulk grain winnowing feeding box comprises a box body (1), a dust collecting cover (5) arranged in the box body (1) and a dedusting air pipe (6) positioned below the dust collecting cover (5), wherein a through hole (15) is formed in the dedusting air pipe (6) at a position corresponding to the dust collecting cover (5), and a sundry inlet (12) is formed in the lower part of the dedusting air pipe (6).

2. A compound grain cleaning machine according to claim 1, characterized in that the dust removing air duct (6) is located right below the dust collecting cover (5), and the through hole (15) is located at the upper part of the dust removing air duct (6).

3. A compound grain cleaning machine according to claim 1, characterized in that the top surface (14) of the dust collecting cover (5) is an inclined grain dispersing plate, and the materials enter the box body (1) and fall on the top surface (14) for grain dispersing.

4. A compound grain cleaning machine according to claim 3, characterized in that the side wall of the tank (1) is provided with an upper material scattering plate (3), the upper material scattering plate (3) is higher than the lowest end of the top surface (14) at the position of the tank (1), and the material falls onto the upper material scattering plate (3) and/or the top surface (14) after entering the tank (1).

5. A compound grain cleaning machine according to claim 1, characterized in that a lower bulk material plate (7) and a bulk material inclined plate (10) which are oppositely arranged are arranged in the box body (1) below the dust removing air pipe (6).

6. A compound grain cleaning machine according to claim 5, characterized in that the lower bulk material plate (7) and the bulk material inclined plate (10) are arranged oppositely, and the material falling to the lower side of the dust removing air pipe (6) falls on the lower bulk material plate (7) and/or the bulk material inclined plate (10) and then is discharged.

7. A compound grain cleaning machine according to claim 1, characterized in that a material guide plate (11) is provided at one or both sides of said inlet opening (12).

8. The compound grain cleaning machine as claimed in claim 1, characterized in that a vertical air screen (19) is arranged between the discharge port (9) of the bulk grain winnowing feeding box and the specific gravity separation device (17).

9. The compound grain cleaning machine as claimed in claim 1, characterized in that a grading sieve (16) is arranged between the discharge port (9) of the bulk grain winnowing feeding box and the specific gravity separation device (17).

10. A compound grain cleaning machine according to claim 1, characterized in that one end of the dust removal air duct (6) communicates with the dust remover (18).