CN211989712U

CN211989712U - Bulk grain selection by winnowing feeding case

Info

Publication number: CN211989712U
Application number: CN202020276281.4U
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 bulk grain selection by winnowing feeding case, it includes the box, sets up the collection dirt lid in the box and sets up the dust removal tuber pipe in collection dirt lid below, the lower part opening of collection dirt lid, its top is provided with and is used for shunting the material to the baffle of collection dirt lid one side or both sides, and the upper portion of dust removal tuber pipe is corresponding with the lower part opening of collection dirt lid, and is provided with the through-hole on the upper portion of dust removal tuber pipe, the bottom of dust removal tuber pipe is provided with into miscellaneous mouthful. The baffle of the utility model can play the role of bulk grain, the material entering the box body flows downwards after the bulk grain passes through the baffle, because the through hole is arranged above the dust removing air pipe, negative pressure can be generated in the dust collecting cover, dust moves upwards under the action of negative pressure attraction and enters the dust collecting cover, and then falls in the dust collecting cover and enters the dust removing air pipe through the through hole to be discharged; the materials with larger mass and the light impurities continuously fall, so the light impurities enter the dedusting air pipe through the impurity inlet, and finally the materials with dust and light impurities removed are discharged from the discharge hole below.

Description

Bulk grain selection by winnowing feeding case

Technical Field

The utility model relates to a grain screening installation field specifically is a bulk grain selection by winnowing feeding case.

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, the materials need to enter the wind screen after being scattered by the feeding box to be layered under the wind pressure action of a fan to remove light impurities in the materials, and then the materials enter the screen box to remove small impurities and large impurities in the materials. The feeding box and the air screen are of independent structures, and the material layering effect is mainly limited by the bulk cargo effect of the feeding box. The current feeding box and the air screen are designed independently, the structure is not compact enough, and the screening efficiency is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a bulk grain selection by winnowing feeding case is provided, it fuses selection by winnowing and bulk grain structure, and compact structure and selection by winnowing dust removal effect are better.

The utility model adopts the technical proposal that: a bulk grain winnowing feeding box comprises a box body, a dust collecting cover arranged in the box body and a dedusting air pipe arranged below the dust collecting cover.

Furthermore, the lower part of the dust collecting cover is provided with an opening, and the top of the dust collecting cover is provided with a baffle plate used for shunting the materials to one side or two sides of the dust collecting cover.

Furthermore, the upper part of the dust removal air pipe corresponds to the lower opening of the dust collection cover, the upper part of the dust removal air pipe is provided with a through hole, and the bottom of the dust removal air pipe is provided with an impurity inlet.

Furthermore, an upper material scattering plate is arranged above the dust collection cover.

Furthermore, a material passing gap is arranged between the dedusting air pipe and the side wall of 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, the lower bulk material plate is arranged below the material passing gap, and the material falls onto the bulk material inclined plate after falling onto the lower bulk material plate.

Furthermore, the lower bulk material plate is rotatably arranged on the inner wall of the box body, and a lower adjusting handle used for adjusting the angle of the lower bulk material plate is connected to the lower bulk material plate.

Furthermore, go up the bulk cargo board and rotate and set up on the inner wall of box, be connected with the last adjustment handle that is used for adjusting the bulk cargo board angle on last bulk cargo board.

Furthermore, a round hole sieve sheet is arranged on the dust removal air pipe, and the position of the round hole sieve sheet corresponds to the position of the through hole.

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

Furthermore, one end of the dust removal air pipe is connected with a negative pressure dust removal device.

The utility model discloses an actively the effect does: the baffle plate of the utility model can play the role of bulk grain, the material entering the box body flows downwards after the bulk grain passes through the baffle plate and enters the position below the dust collecting cover, because the through hole is arranged above the dust collecting air pipe, the negative pressure can be generated in the dust collecting cover, the dust moves upwards under the action of the negative pressure attraction and enters the dust collecting cover, and then falls in the dust collecting cover and enters the dust collecting air pipe through the through hole to be discharged; the materials with larger mass and the light impurities continuously fall to the lower part of the dust removal air pipe, and the lower part of the dust removal air pipe is provided with the impurity inlet, the opening of the impurity inlet is large, the negative pressure formed at the position is larger, so the light impurities can enter the dust removal air pipe through the impurity inlet, and finally the materials with dust and light impurities removed are discharged from the discharge hole at the lower part.

Drawings

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

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

Detailed Description

Example 1

As shown in the attached drawing 1, the utility model discloses a it 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 negative pressure dust collector, and there is feed inlet 2 at the top of box 1, and there is discharge gate 9 bottom of box 1, and in this embodiment, discharge gate 9 is one.

The dust collecting cover 5 is provided with a lower opening and a top part with a baffle plate 14 for shunting the materials to one side of the dust collecting cover 5, the baffle plate 14 is obliquely arranged in the box body 1, and the upper end of the baffle plate is fixed with the right side wall of the box body 1. Meanwhile, an upper bulk cargo plate 3 is rotatably arranged on the left side wall of the box body 1, an upper adjusting handle 4 is installed on the upper bulk cargo plate 3, the angle of the upper bulk cargo plate 3 in the box body 1 can be adjusted through the upper adjusting handle 4, the upper bulk cargo plate 3 and the baffle 14 are oppositely arranged to form an approximate V shape, materials entering from the feeding port 2 fall onto the upper bulk cargo plate 3 or the baffle 14, and then the materials continue to fall, so that the effect of bulk cargo is 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.

In this embodiment, 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 baffle 14, then falls into punishment in advance clearance 13, in punishment in advance clearance, dust because weight is lighter, can be inhaled in dust collection cover 5, the great material of weight and light miscellaneous continue to fall 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 baffle plate 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.

Example 2

As shown in fig. 2, in the present embodiment, the dust-removing air duct 6 is located in the middle of the box body 1, that is, there are material passing gaps 13 between two sides of the dust-removing air duct 6 and two side walls of the box body 1, and two material outlets 9 are arranged at the bottom of the box body 1.

In this embodiment, collection dirt lid 5 is located feed inlet 2 under, baffle 14 is the V font of inversion, the material dispersion that will drop into is to the left and right sides of dust removal tuber pipe 6, it is two to go up bulk cargo board 3, respectively fixed mounting is on the lateral wall about box 1, behind the material inlet port, it carries out the bulk grain to fall on last bulk cargo board 3 or baffle 14, baffle 14 divides into two strands of grain layers and enters into respectively about two and cross grain clearance 13, then dust enters into in collection dirt lid 5 through the clearance between collection dirt lid 5 and the dust removal tuber pipe 6 both sides, then fall to dust removal tuber pipe 6 in through the through-hole.

The left and right sides of the impurity inlet 12 are provided with material guide plates 11.

Meanwhile, the bulk material inclined plate 10 is in an inverted V shape, the lower bulk material plates 7 are respectively arranged above the bulk material inclined plate 10, and the lower adjusting handles 8 for adjusting the angles of the lower bulk material plates 7 are arranged on the lower bulk material plates 7.

The utility model discloses when using, the material is added to box 1 in from feed inlet 2, then carries out the bulk grain to the material through last bulk cargo board 3 or baffle 14, then transports the material through baffle 14 and falls in expecting clearance 13, at the in-process that falls down, and dust enters into dust collection cover 5 under the negative pressure effect in, then gets into dust removal tuber pipe 6 discharges through-hole 15. The heavy materials and light impurities fall to the position near the impurity inlet 12, then the light impurities are sucked into the dedusting air pipe 6 through the impurity inlet 12, and the good materials fall onto the upper bulk material plate 3 or the baffle 14 and are discharged through the discharge hole 9.

The utility model discloses possess the bulk grain simultaneously, remove dust, remove light miscellaneous effect, adopt the integrated design, for traditional bulk grain, dust removal independent design, the structure is compacter, and the dust removal effect in the box is more direct, and the effect is better. Meanwhile, the multi-stage bulk grain discharging device has multi-stage bulk grain, and can effectively ensure the bulk grain effect at the discharging port 9.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A bulk grain winnowing feeding box is characterized by comprising a box body (1), a dust collecting cover (5) arranged in the box body (1) and a dust removing air pipe (6) arranged below the dust collecting cover (5);

the lower part of the dust collecting cover (5) is provided with an opening, and the top of the dust collecting cover is provided with a baffle (14) used for shunting materials to one side or two sides of the dust collecting cover (5);

the upper part of the dust removing air pipe (6) corresponds to the lower opening of the dust collecting cover (5), a through hole (15) is arranged at the upper part of the dust removing air pipe (6), and an impurity inlet (12) is arranged at the bottom of the dust removing air pipe (6).

2. The bulk grain winnowing feeding box according to claim 1, characterized in that an upper bulk material plate (3) is arranged above the dust collecting cover (5).

3. The bulk grain winnowing feeding box according to claim 1 or 2, characterized in that a material passing gap (13) is arranged between the dedusting air pipe (6) and the side wall of the box body (1).

4. The bulk grain winnowing feeding box 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 below the dust removing air pipe (6) in the box body (1), the lower bulk material plate (7) is arranged below the material passing gap (13), and the material falls onto the bulk material inclined plate (10) after falling onto the lower bulk material plate (7).

5. The bulk grain winnowing feeding box according to claim 4, characterized in that the lower bulk material plate (7) is rotatably arranged on the inner wall of the box body (1), and a lower adjusting handle (8) for adjusting the angle of the lower bulk material plate (7) is connected to the lower bulk material plate (7).

6. The bulk grain winnowing feeding box according to claim 2, characterized in that the upper bulk material plate (3) is rotatably arranged on the inner wall of the box body (1), and the upper bulk material plate (3) is connected with an upper adjusting handle (4) for adjusting the angle of the upper bulk material plate (3).

7. The bulk grain winnowing feeding box according to claim 1, characterized in that a round hole sieve sheet is arranged on the dust removing air pipe (6), and the position of the round hole sieve sheet corresponds to the position of the through hole (15).

8. The bulk grain winnowing feeding box according to claim 1, characterized in that a material guide plate (11) is arranged at one side or two sides of the impurity inlet (12).

9. The bulk grain winnowing feeding box according to claim 1, characterized in that one end of the dedusting air pipe (6) is connected with a negative pressure dedusting device.