CN210253063U

CN210253063U - Grain mechanical vibrating screen

Info

Publication number: CN210253063U
Application number: CN201921077139.0U
Authority: CN
Inventors: 李建国; 欧阳波
Original assignee: Chenzhou Qingfeng Refrigeration Equipment Co Ltd
Current assignee: Chenzhou Qingfeng Refrigeration Equipment Co Ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-07
Anticipated expiration: 2029-07-11

Abstract

The utility model discloses a grain mechanical vibration sieve, include: the vibrating screen comprises a vibrating screen body, wherein the vibrating screen body comprises a body frame and a body box which are connected by a spring, two grain hoppers are arranged above the body box, and a fresh grain collecting groove, an old grain collecting groove and an impurity groove are arranged on the side of the body box; the vibrating screens are divided into three types from top to bottom, wherein one type of vibrating screen is provided with a plurality of layers of ridges, the other type of vibrating screen is provided with a layer of ridges, the three types of vibrating screens are obliquely arranged in the machine body box, two ends of the two types of vibrating screens are respectively communicated with a fresh grain collecting groove and an old grain collecting groove, the discharge tail ends of the first type of vibrating screen and the third type of vibrating screens are communicated with an impurity groove, and the mesh apertures of all the vibrating screens are sequentially reduced downwards; the vibration mechanism is arranged on the side of the machine body box. The utility model provides a pair of grain mechanical vibration sieve has solved new grain, old grain and can not sieve simultaneously, receives the inconvenient problem of material.

Description

Grain mechanical vibrating screen

Technical Field

The utility model relates to a shale shaker, especially a grain machinery shale shaker.

Background

The grain is a general name of various plant seeds in cooking food, is also called as 'grain', contains rich nutrient substances, and mainly comprises protein, vitamins, dietary fiber, fat and the like. China is a big agricultural country, and grains have important influence. After the grains are harvested, a lot of impurities such as small stones, soil blocks, weed chips, sand, dust, line wadding and the like are mixed in the grains, so that the purity and the quality of the grains are influenced, and the grains are not beneficial to preservation and use.

Moreover, the existing grain vibrating screen is generally separated aiming at screening new grains and old grains in grains, so that the working procedure is delayed, the existing equipment cannot solve the problem of simultaneously screening the new grains and the old grains, and the screening effects of the new grains and the old grains are ensured.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a grain mechanical vibrating screen.

The technical scheme of the utility model is that: a mechanical grain shaker, comprising:

the vibrating screen comprises a vibrating screen body, wherein the vibrating screen body comprises a body frame and a body box, the body frame and the body box are connected through a spring, the body box is hollow, two grain hoppers are arranged above the body box, and a fresh grain collecting groove, an old grain collecting groove and an impurity groove are formed in the side of the body box;

the vibrating screen comprises vibrating screens, wherein the vibrating screens are divided into three types from top to bottom, the first type of vibrating screen is provided with a plurality of layers of ridges, the mesh aperture of the vibrating screen is larger than the grain particle size, the second type of vibrating screen is provided with a layer of ridges, the mesh aperture of the vibrating screen is smaller than the grain particle size, the middle parts of the first type of vibrating screen and the second type of vibrating screen are separated by a separation fence, two grain hoppers are respectively positioned at two sides of the separation fence, the third type of vibrating screen is provided with a layer of separation screen which is obliquely arranged in a machine box, the middle part of the vibrating screen is provided with the separation screen with the same mesh aperture as the layer of the screen, two ends of the second type of vibrating screen are respectively communicated with a fresh grain collecting tank and an old grain collecting tank, the discharge tail ends of the first type vibrating;

and the vibration mechanism is arranged on the side of the machine body box.

Preferably, both sides of the front end and the rear end of the machine body box are provided with spring seats, and a plurality of springs are arranged between each spring seat and the machine frame.

Preferably, a dust channel is arranged above the machine body box.

Preferably, the partition fence is fixedly connected with the inner wall of the machine body box.

Preferably, the middle parts of the three types of vibrating screens are provided with separating edges.

Preferably, the separating screen is composed of a metal screen and a peripheral metal edge, and two ends of the separating screen are respectively fixedly connected with the separating fence and the separating edge.

Preferably, a plurality of layers of said one type of vibratory screen are arranged in parallel within the body box.

Preferably, vibration mechanism includes vibration safety cover and vibration motor, drive main wheel, drive trailing wheel, eccentric wheel, driving belt in the safety cover, the motor is fixed to be located organism case side, the motor shaft and the drive main wheel of motor are connected, the drive main wheel is equipped with driving belt with the drive trailing wheel is equipped with driving belt outward, is equipped with the eccentric wheel in the pivot of drive trailing wheel, vibration safety cover can dismantle with organism case and be connected.

Preferably, the vibrating screen body and the vibrating screen are made of aluminum alloy.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a pair of grain mechanical vibration sieve combines the screening of new grain and old grain in the grain together, and new grain, old grain get into by two hoppers, can sieve simultaneously and the ejection of compact, do not hinder the process, guarantee both screening effects simultaneously.

Drawings

Fig. 1 is an overall front view of the present invention.

Fig. 2 is an overall rear view of the present invention.

Fig. 3 is a top view of the separating screen of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 1 to 3, a grain mechanical vibrating screen comprises a vibrating screen body, a vibrating screen and a vibrating mechanism.

The vibrating screen body and the vibrating screen are made of aluminum alloy. The aluminum alloy material has the advantages of no rusting, long service life and high strength.

A dust channel 11 is arranged above the machine body box 2, and dust in the grains can be discharged to the external environment through the dust channel.

The shale shaker body includes organism frame 1, organism case 2, connects through spring 3 between organism frame 1, the organism case 2: the front end of organism case 2, rear end both sides all are equipped with the spring holder, are equipped with a plurality of springs 3 between each spring holder and the frame 1. The machine body box 2 is hollow, two grain hoppers 4 (a fresh grain hopper and an old grain hopper respectively) are arranged above the machine body box 2, and a fresh grain collecting groove 5, an old grain collecting groove 6 and an impurity groove 7 are arranged on the side of the machine body box 2.

The vibrating screens are divided into three types from top to bottom, wherein one type of vibrating screen 8 is provided with a plurality of layers of ridges which are arranged in parallel in the machine body box, and the mesh aperture of the other type of vibrating screen 8 is larger than the grain particle size.

The second type vibrating screen 9 has a ridge shape, the mesh aperture of the second type vibrating screen 9 is smaller than the grain diameter, and the middle parts of the first type vibrating screen 8 and the second type vibrating screen 9 are provided with metal separation fences 13 (solid separation fences). Two grain hoppers 4 are respectively positioned at two sides of the separation fence 13.

The three types of vibrating screens 10 have a layer of screens 14 arranged obliquely in the machine body box, and the middle part of the layer of screens is provided with a separation screen with the aperture equal to the mesh aperture of the layer of screens.

Two ends of the second type vibrating screen 9 are respectively communicated with a new grain collecting trough 5 and an old grain collecting trough 6, the discharge tail ends of the first type vibrating screen 8 and the third type vibrating screen 10 are communicated with an impurity trough 7, and the mesh apertures of all vibrating screens are reduced in sequence.

The vibration mechanism is arranged on the side of the machine body box 2. The vibration mechanism comprises a vibration protection cover 21, a motor 15, a driving main wheel 16, a driving driven wheel 22, an eccentric wheel 17 and a driving belt 18, wherein the motor 15 is arranged on the side of the machine body box 2, a motor shaft of the motor 15 is connected with the driving main wheel 16, the driving belt 18 is arranged outside the driving main wheel 16 and the driving driven wheel 22, the eccentric wheel 17 is further fixedly arranged on a central rotating shaft of the driving driven wheel 22 (the central rotating shaft penetrates through the wall of the machine body box), the eccentric wheel 17 rotates along with the rotation of the central rotating shaft, and the vibration protection cover 21 is detachably connected with the machine body box 2.

The discharge end of the three types of vibrating screens 10 is communicated with the impurity tank 7.

The separation fence 13 is fixedly connected with the inner wall of the machine body box 2. And the middle parts of the three types of vibrating screens 10 are provided with separating edges 20.

The separating screen 12 is composed of a metal screen and a metal edge around the metal screen, and two ends of the separating screen 12 are respectively fixedly connected with the separating fence 13 and the separating edge 20.

Therefore, the first-class vibrating screen 8, the second-class vibrating screen 9 and the third-class vibrating screen 10 are fixedly arranged inside the machine body box (can be welded, glued, screwed and the like), and the separating screen 12 and the separating edge 20 are all clamped on the first-class vibrating screen 8, the second-class vibrating screen 9 and the third-class vibrating screen 10 to form a whole, so that the first-class vibrating screen 8, the second-class vibrating screen 9, the third-class vibrating screen 10, the separating screen 12 and the separating edge 20 vibrate along with the vibration of the machine body box.

The utility model discloses a theory of operation does: fresh grains and old grains enter from two hoppers respectively, impurities with the particle size larger than that of the fresh grains and the old grains, such as small stones, soil blocks and the like, are screened out by a first type of vibrating screen, and then are collected into an impurity groove; the new grains and the old grains fall into the second type vibrating screen, the aperture diameter of the meshes of the second type vibrating screen is smaller than the grain diameter of the new grains and the old grains, so the new grains and the old grains are left in the second type vibrating screen, the second type vibrating screen screens small-size impurities such as weed chips, sand grains, dust and the like, and the screened new grains and old grains are collected and stored by a new grain collecting trough and an old grain collecting trough respectively; the three types of vibrating screens collect weed chips, sand grains, dust and the like (the aperture of the three types of screens is smaller than the sizes of the weed chips, the sand grains, the dust and the like) and the like and finally collect the weed chips, the sand grains, the dust and the like in the sundries groove, so that the novel grains and the old grains are finally screened at the same time, the screens have multiple layers, the screening effect is ensured, and the material collection is facilitated.

The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the right of the present invention should not be limited thereby, and therefore, modifications, equivalent changes, improvements, etc. made in the claims of the present invention are still included in the scope of the present invention.

Claims

1. A grain mechanical vibrating screen is characterized by comprising:

and the vibration mechanism is arranged on the side of the machine body box.

2. The grain mechanical vibrating screen of claim 1, wherein spring seats are arranged on both sides of the front end and the rear end of the machine body box, and a plurality of springs are arranged between each spring seat and the machine frame.

3. The mechanical vibrating screen for grain as claimed in claim 1, wherein a dust channel is provided above the machine body box.

4. The mechanical vibrating screen for grain as claimed in claim 1, wherein the partition fence is fixedly connected with the inner wall of the machine body box.

5. The mechanical grain vibrating screen as claimed in claim 1, wherein the middle parts of the three types of vibrating screens are provided with separating edges.

6. The mechanical grain vibrating screen as claimed in claim 5, wherein the separating screen is composed of a metal screen and a peripheral metal edge, and two ends of the separating screen are respectively and fixedly connected with the separating fence and the separating edge.

7. The grain mechanical shaker of claim 1, wherein a plurality of layers of the one type of shaker screen are arranged in parallel within a body box.

8. The grain mechanical vibrating screen of claim 1, wherein the vibrating mechanism comprises a vibrating protective cover, and a motor, a driving main wheel, a driving driven wheel, an eccentric wheel and a driving belt which are arranged in the vibrating protective cover, the motor is fixedly arranged on the side of the machine body box, a motor shaft of the motor is connected with the driving main wheel, the driving main wheel and the driving driven wheel are externally provided with the driving belt, the driving driven wheel is provided with the eccentric wheel on a rotating shaft, and the vibrating protective cover is detachably connected with the machine body box.

9. The mechanical grain vibrating screen as claimed in claim 1, wherein the vibrating screen body and the vibrating screen mesh are made of aluminum alloy.