CN209791984U

CN209791984U - Double-deck sieve case

Info

Publication number: CN209791984U
Application number: CN201920181669.3U
Authority: CN
Inventors: 王会良; 冯朝亮; 刘华亮
Original assignee: Z-Tek Machinery Co Ltd Is Gathered In Shijiazhuang
Current assignee: Z-Tek Machinery Co Ltd Is Gathered In Shijiazhuang
Priority date: 2019-02-01
Filing date: 2019-02-01
Publication date: 2019-12-17
Anticipated expiration: 2029-02-01

Abstract

The utility model relates to a double-layer sieve box, which comprises a sieve box shell, a first sieve plate, a second sieve plate, a middle clapboard, a third sieve plate and a fourth sieve plate which are arranged in the sieve box shell from top to bottom in sequence, and a grain discharging collecting device arranged on the grain discharging side of the sieve box shell; the utility model discloses a butt joint of double-deck sieve case to discharge final product in the lump, carry out one process down, sieve case overall structure is compact, and occupation space is little. Utilize double-deck sieve case simultaneously to be located the material of first sieve and third sieve and filter, the screening efficiency improves greatly for ordinary sieve case, under the condition of large-output processing, has improved the sieve rate of penetrating of product greatly.

Description

Double-deck sieve case

Technical Field

The utility model relates to a grain screening installation field, concretely relates to double-deck sieve case.

Background

the grain screening machine is a machine which must be used when grains or seeds are put in storage and screened, and can screen out small impurities, large impurities and mildewed grains in the grains or the seeds so as to ensure the cleanliness of products. The current grain screening machine adopts a single-layer screen box structure, when the grain screening machine is produced in large quantity, the screening capacity of the single-layer screen box is limited, the condition of low screening penetration rate is often caused, and screened products cannot meet the product requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simple structure is provided, and the screening efficiency is high, can satisfy the double-deck sieve case of large-scale production.

The utility model adopts the technical proposal that: the utility model provides a double-deck sieve case, its includes sieve case casing, from last to setting gradually first sieve, second sieve, middle part baffle, third sieve and the fourth sieve in sieve case casing down and set up the grain collection device that goes out grain one side at sieve case casing.

the grain discharging and collecting device comprises a collecting shell buckled with the shell of the sieve box, a first supporting plate, a second supporting plate, a third supporting plate, a fourth supporting plate, a fifth supporting plate, a large impurity outlet and a small impurity outlet, wherein the first supporting plate, the second supporting plate, the third supporting plate, the fourth supporting plate and the fifth supporting plate are arranged in the collecting shell and correspond to the sieve plates and the middle partition plate; grain discharging channels are arranged between the second supporting plate and the collecting shell and between the fifth supporting plate and the collecting shell.

Two sieve box feeding ports are arranged on the grain feeding side of the sieve box shell and respectively correspond to the first sieve plate and the third sieve plate.

And a first large impurity channel is arranged on one side, close to the large impurity outlet, of the first supporting plate, a second large impurity channel is arranged on one side, close to the large impurity outlet, of the fourth supporting plate, and the first large impurity channel and the second large impurity channel are communicated with the large impurity outlet.

A first small impurity channel is arranged on one side, close to the small impurity outlet, of the third supporting plate, a second small impurity channel is arranged on the bottom surface of the collecting shell, and the first small impurity channel and the second small impurity channel are communicated with the small impurity outlet.

A first blanking gap is formed between the second supporting plate and the side wall of the collecting shell, a second blanking gap is formed between the fifth supporting plate and the side wall of the collecting shell, and the first blanking gap is communicated with the second blanking gap to form a grain outlet channel.

The utility model discloses an actively the effect does: the utility model discloses a butt joint of double-deck sieve case to discharge final product in the lump, carry out one process down, sieve case overall structure is compact, and occupation space is little. Utilize double-deck sieve case simultaneously to be located the material of first sieve and third sieve and filter, the screening efficiency improves greatly for ordinary sieve case, under the condition of large-output processing, has improved the sieve rate of penetrating of product greatly.

Drawings

FIG. 1 is a schematic view of the structure of the screen box casing of the present invention;

FIG. 2 is a schematic view of the structure of the grain collecting device of the utility model;

FIG. 3 is a schematic view of the first large miscellaneous channel structure of the present invention;

FIG. 4 is a schematic view of a first blanking gap structure of the present invention;

fig. 5 is a schematic diagram of a second blanking gap structure of the present invention.

Detailed Description

As shown in fig. 1-5, the utility model comprises a screen box shell 301, a first screen plate 302, a second screen plate 303, a middle partition plate 304, a third screen plate 305 and a fourth screen plate 306 which are arranged in the screen box shell 301 from top to bottom in sequence, and a grain collecting device arranged on the grain outlet side of the screen box shell 301; two sieve case pan feeding mouths are arranged on one grain feeding side of the sieve case shell 301 and correspond to the first sieve plate 302 and the third sieve plate 305 respectively, the material is divided into two strands to be screened respectively, large impurities are left on the first sieve plate 302 and the third sieve plate 305, and small impurities fall into the middle partition plate 304 and the bottom plate of the sieve case shell 301. The screened good material settles on the second screen deck 303 and the fourth screen deck 306, respectively.

The grain collecting device is used for collecting large impurities on the first sieve plate 302 and the third sieve plate 305, small impurities on the middle partition plate 304 and the bottom plate of the sieve box shell 301, and materials on the second sieve plate 303 and the fourth sieve plate 306 respectively. The grain discharging and collecting device comprises a collecting shell 307 buckled with the screen box shell 301, a first supporting plate 308, a second supporting plate 309, a third supporting plate 310, a fourth supporting plate 311 and a fifth supporting plate 312 which are arranged in the collecting shell 307 and correspond to the positions of the screen plates and the middle partition plate 304, and a large impurity outlet 313 and a small impurity outlet 314 which are arranged on one side of the collecting shell 307. The five support plates respectively correspond to the first screen plate 302, the second screen plate 303, the middle partition plate 304, the third screen plate 305 and the fourth screen plate 306 one by one, the screened materials flow into the corresponding support plates, and the materials on the bottom surface of the screen box shell 301 flow into the bottom surface of the collecting shell 307.

The large impurities on the first sieve plate 302 and the third sieve plate 305 flow to the first supporting plate 308 and the fourth supporting plate 311 respectively, the first supporting plate 308 and the fourth supporting plate 311 are provided with a first large impurity channel 315 and a second large impurity channel 317 respectively, the first large impurity channel 315 and the second large impurity channel 317 are both communicated with a large impurity outlet 313, and the screened large impurities are discharged and collected through the large impurity outlet 313.

The small impurities on the middle partition plate 304 and the bottom plate of the screen box shell 301 flow to the third supporting plate 310 and the bottom plate of the collecting shell 307 respectively, a first small impurity channel 316 and a second small impurity channel are arranged on the bottom plates of the third supporting plate 310 and the collecting shell 307 respectively, and the first small impurity channel 316 and the second small impurity channel are communicated with a small impurity outlet 314 respectively.

The space above the first supporting plate 308 and the fourth supporting plate 311 is communicated with a large impurity outlet 313, and the space above the third supporting plate 308 and the space below the fifth supporting plate 312 are communicated with a small impurity outlet 314; grain discharging channels are arranged between the second supporting plate 309 and the collecting shell 307 and between the fifth supporting plate 312 and the collecting shell 307.

The good materials on the second sieve plate 303 and the fourth sieve plate 306 respectively flow into the second supporting plate 309 and the fifth supporting plate 312, a first blanking gap 318 is formed between the second supporting plate 309 and the side wall of the collecting shell 307, a second blanking gap 319 is formed between the fifth supporting plate 312 and the side wall of the collecting shell 307, the first blanking gap 318 and the second blanking gap 319 are communicated to form a grain outlet channel, and finally, the two materials are discharged from the grain outlet channel.

The utility model discloses a double-deck sieve case structure, during the screening, the material falls into two strands and gets into sieve case casing 301 respectively and select in grades, under the condition of large-production processing, has improved the sieve greatly and has passed through the rate.

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 double-deck sieve box is characterized by comprising a sieve box shell (301), a first sieve plate (302), a second sieve plate (303), a middle partition plate (304), a third sieve plate (305) and a fourth sieve plate (306) which are sequentially arranged in the sieve box shell (301) from top to bottom, and a grain discharging and collecting device arranged on the grain discharging side of the sieve box shell (301);

The grain discharging and collecting device comprises a collecting shell (307) buckled with a sieve box shell (301), a first supporting plate (308), a second supporting plate (309), a third supporting plate (310), a fourth supporting plate (311) and a fifth supporting plate (312) which are arranged in the collecting shell (307) and correspond to the positions of each sieve plate and a middle partition plate (304), and a large impurity outlet (313) and a small impurity outlet (314) which are arranged on one side of the collecting shell (307), wherein the space above the first supporting plate (308) and the fourth supporting plate (311) is communicated with the large impurity outlet (313), and the space above the third supporting plate (310) and the space below the fifth supporting plate (312) are communicated with the small impurity outlet (314); grain discharging channels are arranged between the second supporting plate (309) and the collecting shell (307) and between the fifth supporting plate (312) and the collecting shell (307).

2. The double deck screen box according to claim 1, characterized in that two screen box inlet openings are provided on the feed side of the screen box housing (301), corresponding to the first screen deck (302) and the third screen deck (305), respectively.

3. The double-deck sieve box of claim 1, wherein a first large impurity channel (315) is arranged on one side of the first supporting plate (308) close to the large impurity outlet (313), a second large impurity channel (317) is arranged on one side of the fourth supporting plate (311) close to the large impurity outlet (313), and the first large impurity channel (315) and the second large impurity channel (317) are both communicated with the large impurity outlet (313).

4. The double deck screen box according to claim 1, wherein a first small impurity passage (316) is provided on the third supporting plate (310) on a side close to the small impurity outlet (314), a second small impurity passage is provided on the bottom surface of the collecting casing (307), and the first small impurity passage (316) and the second small impurity passage are both communicated with the small impurity outlet (314).

5. The double-deck sieve box of claim 1, wherein a first blanking gap (318) is formed between the second support plate (309) and the side wall of the collecting shell (307), a second blanking gap (319) is formed between the fifth support plate (312) and the side wall of the collecting shell (307), and the first blanking gap (318) and the second blanking gap (319) are communicated to form a grain outlet channel.