CN112604958A

CN112604958A - Grain winnowing machine

Info

Publication number: CN112604958A
Application number: CN202011258592.9A
Authority: CN
Inventors: 张飞; 张松; 王娟
Original assignee: Lingbi Feisong Machinery Manufacturing Co ltd
Current assignee: Lingbi Feisong Machinery Manufacturing Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-04-06

Abstract

The invention discloses a grain winnowing machine, which comprises a vertical winnowing box body and an air blower, wherein the top of the winnowing box body is provided with a feed hopper, the bottom of the winnowing box body is provided with a discharge hole, the position of the inner surface of the winnowing box body, which is close to the top of the winnowing box body, is provided with at least one rebound screening device, the rebound screening device mainly comprises springs which are arranged at intervals, and the position of the inner surface of the winnowing box body, which is positioned above the rebound screening device, is provided with a plurality; the invention enters the winnowing box body from the feed hopper through grains, falls on the rebound screening device, is bounced under the action of the spring, and the husk adhered to the surface of the grains fall off along with the impact force contacted with the spring.

Description

Grain winnowing machine

Technical Field

The invention relates to the field of grain processing equipment, in particular to a grain winnowing machine.

Background

The grain winnowing machine is used for separating lighter impurities from grains in grains, and the principle is that according to the aerodynamic principle, the lighter impurities are blown out from an impurity outlet by a fan according to the difference of the density of light and heavy materials, and the heavier finished grains fall under the action of gravity, so that the separation of the grains and the impurities is realized.

The present invention simplifies the existing winnowing machine, simplifies the function of the winnowing machine, and can effectively treat and screen the empty hulls in the grains, the husks adhered to the surfaces of the grains and the husks mixed in the grains.

Disclosure of Invention

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a cereal air separator, including vertical selection by winnowing box, the air-blower, the feeder hopper has been installed at the top of selection by winnowing box, the discharge gate has been installed to its bottom, the position that selection by winnowing box internal surface is close to its top has installed at least one sieving mechanism that rebounds, the sieving mechanism that rebounds mainly includes the spring of interval range, several exhaust column has been installed to the position that selection by winnowing box internal surface is located the sieving mechanism that rebounds top, cereal is recorded into the selection by winnowing box from the feeder hopper and falls on the sieving mechanism that rebounds, bounce under the effect of spring, and husk and the husk that adheres at cereal surface come off along with the impact force with the spring contact, the air-blower cooperates the exhaust fan of exhaust column external connection, take out husk, can reach the mesh of effective processing vacant shell, the husk that adheres at cereal surface and the husk that mix with in cereal.

Furthermore, two rebound screening devices are arranged up and down along the inner surface of the winnowing box body, and one end of a spring in the rebound screening device close to the bottom of the winnowing box body is movably connected with one side of the winnowing box body through a connecting block;

the connecting block sets up in selection by winnowing box one side and connecting block top and bottom through spacing spring and selection by winnowing box fixed connection, and cereal falls into the sieving mechanism that rebounds of lower position through the sieving mechanism that rebounds of upper position.

Further, vibrating motor has still been installed through the support to the surface that the connecting block is located the selection by winnowing box outside, and vibrating motor drives the connecting block vibration from top to bottom, drives the spring vibration in the lower rebound sieving mechanism then, avoids cereal to pile up on the lower rebound sieving mechanism, and the spring in the lower rebound sieving mechanism of simultaneous vibration can play the effect of whipping to cereal, further effective processing cereal superficial testa.

Furthermore, the position fixedly connected with of the internal surface bottom of winnowing box near its axis divides material toper play wind head, divides material toper play wind head through the connecting pipe with install with the air-blower intercommunication of winnowing box bottom, avoid cereal to fall into air-blower and connecting pipe in, play the effect of reposition of redundant personnel to cereal simultaneously.

Furthermore, divide material toper air-out top internal surface and still swing joint have the buffering mushroom head through buffer spring, and the perpendicular power that falls of buffering cereal plays the effect of protection to the connecting pipe.

Furthermore, the discharge ports are divided into two parts and arranged on two sides of the air blower, and the discharge ports are matched with the conical powder outlet heads, so that the discharge can be accelerated.

Furthermore, a wind shield is arranged at the position, located at the feed hopper, of the top of the inner surface of the winnowing box body, so that chaff is prevented from being blown out of the feed hopper.

The working principle and the beneficial effects are as follows: enter the winnowing box in from the feeder hopper through cereal to fall on the sieving mechanism that rebounds, bounce under the effect of spring, and the husk of cereal surface adhesion drop along with the impact force with the spring contact, and the air exhauster of air-blower cooperation convulsions outside of tubes coupling takes husk, chaff out, can reach the purpose of effective handling vacant shell, adhesion at the husk on cereal surface and the husk that is mingled with in cereal.

(1) The surface that is located the selection by winnowing box outside through the connecting block has still installed vibrating motor through the support, and vibrating motor drives the connecting block and vibrates from top to bottom, drives the spring vibration in the lower rebound sieving mechanism then, avoids cereal to pile up on the lower rebound sieving mechanism, and the spring in the lower rebound sieving mechanism of simultaneous vibration can play the effect of whipping to cereal, further effective processing cereal skin on surface.

(2) A wind shield is arranged at the position, located at the feed hopper, of the top of the inner surface of the winnowing box body, so that husk is prevented from being blown out of the feed hopper.

Drawings

FIG. 1 is a schematic view of the present invention in partial cross section;

FIG. 2 is an enlarged view of the structure A in FIG. 1 according to the present invention.

In the figure: 1. a winnowing box body; 2. a feed hopper; 3. a discharge port; 4. a blower; 5. a spring; 6. an exhaust pipe; 7. connecting blocks; 8. a limiting spring; 9. a vibration motor; 10. a conical air outlet head for material distribution; 11. a connecting pipe; 12. buffering mushroom heads; 13. a wind shield.

Detailed Description

The invention will be better understood from the following examples.

The structures, proportions, and dimensions shown in the drawings and described in the specification are for understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined in the claims, and are not essential to the skilled in the art. In addition, the terms "upper", "lower", "front", "rear" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the relative positions may be changed or adjusted without substantial technical changes.

As shown in fig. 1-2, a grain winnowing machine comprises a vertical winnowing box body 1 and a blower 4, wherein the top of the winnowing box body 1 is provided with a feed hopper 2, the bottom of the air separation box body is provided with a discharge hole 3, the inner surface of the air separation box body 1 is provided with at least one rebound screening device near the top thereof, the rebound screening device mainly comprises springs 5 which are arranged at intervals, a plurality of exhaust pipes 6 are arranged at the positions of the inner surface of the air separation box body 1 above the rebound screening device, grains are input into the air separation box body from a feed hopper and fall on the rebound screening device, the husk and husk adhered to the surface of grain fall off along with the impact force of the spring under the action of the spring, the blower is matched with an exhaust fan connected outside the exhaust pipe to draw out the husk and husk, can achieve the purpose of effectively treating the empty hulls, the husks adhered to the surface of the grains and the husks mixed in the grains.

The two rebound screening devices are arranged up and down along the inner surface of the winnowing box body 1, and one end of a spring 5 in the rebound screening device close to the bottom of the winnowing box body 1 is movably connected with one side of the winnowing box body 1 through a connecting block 7;

the connecting block 7 is arranged on one side of the winnowing box body 1, the top and the bottom of the connecting block 7 are fixedly connected with the winnowing box body 1 through the limiting spring 8, and grains fall into the re-bounce screening device at the lower position through the re-bounce screening device at the upper position.

Wherein, vibrating motor 9 has still been installed through the support to the surface that connecting block 7 is located the selection by winnowing box 1 outside, and vibrating motor drives the connecting block vibration from top to bottom, drives the spring vibration in the lower rebound sieving mechanism then, avoids cereal to pile up on the lower rebound sieving mechanism, and the spring in the lower rebound sieving mechanism of simultaneous vibration can play the effect of whipping to cereal, further effective processing cereal grain husk on surface.

Wherein, the position fixedly connected with of the dry bottom of winnowing box 1 internal surface is close to its axis divides material toper and goes out first 10, divides material toper and goes out first 10 and communicates through connecting pipe 11 with air-blower 4 installed with winnowing box 1 bottom, avoids cereal to fall into in air-blower and the connecting pipe, plays the effect of reposition of redundant personnel to cereal simultaneously.

Wherein, divide material toper air-out head 10 top internal surface still swing joint to have buffering mushroom head 12 through buffer spring, cushion the perpendicular power that falls of cereal, play the effect of protection to the connecting pipe.

Wherein, the discharge port 3 is divided into two parts and arranged at two sides of the air blower 4, and the discharge can be accelerated by matching with the conical powder outlet head.

Wherein, the position that the winnowing box 1 internal surface top is located feeder hopper 2 still installs windshield 13, avoids the husk to blow off from the feeder hopper.

Claims

1. The utility model provides a cereal air separator, includes vertical selection by winnowing box (1), air-blower (4), feeder hopper (2) have been installed at the top of selection by winnowing box (1), and discharge gate (3), its characterized in that have been installed to its bottom: at least one rebound screening device is arranged on the inner surface of the winnowing box body (1) close to the top of the winnowing box body, the rebound screening device mainly comprises springs (5) which are arranged at intervals, and a plurality of exhaust pipes (6) are arranged on the inner surface of the winnowing box body (1) above the rebound screening device.

2. The grain winnowing machine of claim 1, wherein: the two rebound screening devices are arranged up and down along the inner surface of the winnowing box body (1), and one end of a spring (5) in the rebound screening device close to the bottom of the winnowing box body (1) is movably connected with one side of the winnowing box body (1) through a connecting block (7);

the connecting block (7) is arranged on one side of the winnowing box body (1), and the top and the bottom of the connecting block (7) are fixedly connected with the winnowing box body (1) through a limiting spring (8).

3. The grain winnowing machine of claim 2, wherein: the outer surface of the connecting block (7) positioned at the outer side of the winnowing box body (1) is also provided with a vibration motor (9) through a bracket.

4. The grain winnowing machine of claim 2, wherein: the position of the bottom of the inner surface of the winnowing box body (1) close to the central axis is fixedly connected with a material-separating conical air outlet head (10), and the material-separating conical air outlet head (10) is communicated with an air blower (4) arranged at the bottom of the winnowing box body (1) through a connecting pipe (11).

5. The grain winnowing machine of claim 4, wherein: the inner surface of the top of the material-separating conical air-out head (10) is also movably connected with a buffering mushroom head (12) through a buffering spring.

6. The grain winnowing machine of claim 1, wherein: the two discharge ports (3) are respectively arranged at two sides of the blower (4).

7. The grain winnowing machine of claim 1, wherein: a wind shield (13) is also arranged at the position of the top of the inner surface of the winnowing box body (1) which is positioned at the feed hopper (2).