CN214320250U

CN214320250U - A preprocessing device for grain sieve separator

Info

Publication number: CN214320250U
Application number: CN202022116097.6U
Authority: CN
Inventors: 李明杰
Original assignee: Anhui Huayu Machinery Manufacturing Co ltd
Current assignee: Anhui Huayu Machinery Manufacturing Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-10-01
Anticipated expiration: 2030-09-24

Abstract

The utility model discloses a pretreatment device for a grain screening machine, which comprises a device body, wherein the upper surface of the device body is provided with a feeding hole; the lower end of the device body is provided with a first discharge port; a first screen and a second screen are sequentially arranged in the device body from top to bottom; the lower end of the first screen is provided with a second discharge outlet; the lower end of the second screen is provided with a third discharge outlet; a material crushing device is arranged on the material inlet; the upper end of the crushing device is provided with a feeding hole; the lower end of the crushing device is provided with a discharge hole; the middle of the crushing device is provided with a stirring roller; the grain is sent into the device body after the crushed aggregates device stirs dispersion with the grain. The utility model, by arranging the crushing device to disperse the grains and then send the grains into the device body, avoids the grains from caking due to long storage time, thus avoiding the failure of screening; through setting up first screen cloth and second screen cloth, discharge the bold impurity in the grain through the second bin outlet, discharge dust impurity through first discharge gate, realized the preliminary treatment of grain screening.

Description

A preprocessing device for grain sieve separator

Technical Field

The utility model belongs to the technical field of the grain sieve separator, especially, relate to a preprocessing device for grain sieve separator.

Background

In the grain production process, earth and gravels with different sizes in the grains need to be screened, so that impurities in the grains are reduced. At present, there are many kinds of grain cleaning equipment at home and abroad, such as a cylindrical primary cleaning sieve, a vibration cleaning sieve, a plane rotary sieve, a stone remover and the like.

Beans, corns and the like in grains need to be screened during quality inspection or determination, sundries and broken particles need to be removed, screening machines or screening plates are generally used in the prior art during screening, but only dust or small particles can be screened out, the problem that large particles cannot be removed exists, manual selection is needed, the working time is long, and the manual investment is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pretreatment device for a grain screening machine, which is characterized in that a crushing device is arranged to disperse grains and then send the grains into a device body, thereby avoiding the grains from caking due to long storage time and causing the grains not to be screened; through setting up first screen cloth and second screen cloth, discharge the bold impurity in the grain through the second bin outlet, discharge dust impurity through first discharge gate, realized the preliminary treatment of grain screening.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a pretreatment device for a grain screening machine, which comprises a device body, wherein the upper surface of the device body is provided with a feeding hole; the lower end of the device body is provided with a first discharge port;

a first screen and a second screen are sequentially arranged in the device body from top to bottom; the lower end of the first screen is provided with a second discharge outlet; the lower end of the second screen is provided with a third discharge outlet;

a crushing device is arranged on the feeding port; a feed inlet is formed in the upper end of the crushing device; the lower end of the crushing device is provided with a discharge hole; the discharge port is connected with the feed port;

a stirring roller is arranged in the middle of the crushing device; the upper end of the stirring roller is connected with a motor; the motor is fixed in the middle of the upper surface of the crushing device; a plurality of support rods are uniformly arranged on the peripheral side surface of the stirring roller;

the grain crushing device is used for stirring and dispersing grains and then sending the grains into the device body.

Further, the lower surface of the device body is an inclined surface; the angle of the inclined plane is 20-60 degrees.

Further, the first screen and the second screen are inclined in opposite directions; the aperture of the second screen is smaller than that of the first screen.

Further, install a hopper on the feed inlet of crushed aggregates device, conveniently feed in raw material through setting up the hopper.

The utility model discloses following beneficial effect has:

the utility model, by arranging the crushing device to disperse the grains and then send the grains into the device body, avoids the grains from caking due to long storage time, thus avoiding the failure of screening; through setting up first screen cloth and second screen cloth, discharge the bold impurity in the grain through the second bin outlet, discharge dust impurity through first discharge gate, realized the preliminary treatment of grain screening.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a pretreatment device for a grain screening machine.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1, the utility model relates to a pretreatment device for a grain screening machine, which comprises a device body 1, wherein the upper surface of the device body 1 is provided with a feeding port 101; the lower end of the device body 1 is provided with a first discharge port 102; the lower surface of the device body 1 is a bevel 105; the angle of the bevel 105 is 20-60 °;

a first screen 2 and a second screen 3 are sequentially arranged in the device body 1 from top to bottom; the lower end of the first screen 2 is provided with a second discharge outlet 103; the lower end of the second screen 3 is provided with a third discharge outlet 104; the inclination directions of the first screen 2 and the second screen 3 are opposite; the aperture of the second screen 3 is smaller than that of the first screen 2;

a material crushing device 4 is arranged on the material inlet 101; the upper end of the crushing device 4 is provided with a feeding hole 401; a hopper 8 is arranged on a feeding hole 401 of the crushing device 4, and feeding is facilitated by the arrangement of the hopper 8; the lower end of the crushing device 4 is provided with a discharge hole 402; the discharge port 402 is connected with the feed port 101;

a stirring roller 6 is arranged in the middle of the crushing device 4; the upper end of the stirring roller 6 is connected with the motor 5; the motor 5 is fixed in the middle of the upper surface of the crushing device 4; a plurality of supporting rods 7 are uniformly arranged on the peripheral side surface of the stirring roller 6;

the crushing device 4 stirs and disperses grains and then sends the grains into the device body 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a preprocessing device for grain sieve separator, includes device body (1), its characterized in that: the upper surface of the device body (1) is provided with a feeding port (101); the lower end of the device body (1) is provided with a first discharge port (102);

a first screen (2) and a second screen (3) are sequentially arranged in the device body (1) from top to bottom; a second discharge outlet (103) is formed at the lower end of the first screen (2); a third discharge outlet (104) is formed at the lower end of the second screen (3);

a material crushing device (4) is arranged on the feeding port (101); a feed inlet (401) is formed in the upper end of the crushing device (4); the lower end of the crushing device (4) is provided with a discharge hole (402); the discharge port (402) is connected with the feeding port (101);

a stirring roller (6) is arranged in the middle of the crushing device (4); the upper end of the stirring roller (6) is connected with the motor (5); the motor (5) is fixed in the middle of the upper surface of the crushing device (4); a plurality of supporting rods (7) are uniformly arranged on the peripheral side surface of the stirring roller (6);

the grain crushing device (4) stirs and disperses grains and then sends the grains into the device body (1).

2. The pretreatment device for grain screening machine according to claim 1, wherein the lower surface of the device body (1) is a slope (105); the angle of the inclined plane (105) is 20-60 degrees.

3. A pre-treatment device for a grain screener according to claim 1, characterised in that the first screen (2) and the second screen (3) are inclined in opposite directions; the aperture of the second screen (3) is smaller than that of the first screen (2).

4. A pretreatment device for grain screening machines according to claim 1, characterized in that a hopper (8) is installed on the feed inlet (401) of the crushing device (4).