CN213762860U

CN213762860U - Novel horizontal air current sieve

Info

Publication number: CN213762860U
Application number: CN202022759083.6U
Authority: CN
Inventors: 郑全发; 方学杰
Original assignee: Xinxiang Syt Machinery Co ltd
Current assignee: Xinxiang Syt Machinery Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-07-23
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a novel horizontal air current sieve belongs to material screening equipment technical field, including the sieve case, be equipped with coarse fodder discharge port and fine material discharge port on the sieve case, coarse fodder discharge port department is connected with secondary screening mechanism, secondary screening mechanism includes auxiliary screen cloth, auxiliary screen cloth is tubular structure, auxiliary screen cloth's feed end is connected with the coarse fodder discharge port through first transition pipe, auxiliary screen cloth's discharge end passes through second transition union coupling coarse fodder hopper, fine fodder hopper is equipped with supplementary feed inlet towards one side of auxiliary screen cloth, supplementary feed inlet is connected with auxiliary screen cloth through the adapter to the material that sieves out flows in the adapter at the bottom of making the lower part sieve. The utility model discloses a set up secondary screening mechanism, can sieve out the suitable material of overflow in the coarse fodder granule the inside, sieve effectually.

Description

Novel horizontal air current sieve

Technical Field

The utility model belongs to the technical field of material screening equipment, concretely relates to novel horizontal air current sieve.

Background

The horizontal airflow sieve is used in metallurgy, mining industry, pharmacy, video, chemical industry, metal powder and nonmetal industry, and the traditional horizontal airflow sieve comprises a machine body, a sieve box arranged on the machine body, an airflow sieving machine, a motor, a fan and the like, wherein a cylindrical screen is arranged in the sieve, materials enter from a feed inlet of a feed part, and then are sent into the sieve box through a material conveying mechanism (a spiral conveyer) to be subjected to centrifugal force and cyclone thrust simultaneously through wind wheel blades in a screen cylinder, so that the materials can be sprayed through the sieve and are discharged from a fine material discharge port, and the materials which cannot pass through the screen can be discharged from a coarse material discharge port along the screen cylinder wall.

However, the traditional horizontal airflow screen only carries out one-time screening, fine materials with target particle sizes are directly discharged from a coarse material outlet, and the problem of incomplete screening exists.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can sieve out, sieve effectual novel horizontal air current sieve with the suitable material of leaveing in the coarse fodder granule the inside.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel horizontal airflow screen comprises a screen box, a main screen is arranged in the screen box, a coarse material outlet and a fine material outlet are arranged on the screen box, the fine material outlet is communicated with a main feed inlet of a fine material hopper, materials to be screened enter from a material inlet of a feed part and then enter the screen box through a material conveying mechanism, fine materials leak from the main screen and are discharged from the fine material outlet, the discharged materials which are not screened out from the main screen are discharged from a coarse material outlet along the cylinder wall of the main screen, a secondary screening mechanism is connected at the coarse material outlet and comprises an auxiliary screen, the auxiliary screen is of a cylindrical structure and comprises an upper sealing cover and a lower screen bottom, the feed end of the auxiliary screen is connected with the coarse material outlet through a first transition pipe, the discharge end of the auxiliary screen is connected with the coarse material hopper through a second transition pipe, one side of the fine material hopper facing the auxiliary screen is provided with an auxiliary feed inlet, the auxiliary feed inlet is connected with the auxiliary screen through the adapting pipe, and the mesh of the lower screen bottom is larger than or equal to the mesh of the main screen so that the materials screened by the lower screen bottom flow into the adapting pipe.

Preferably, the inclination angle of the auxiliary screen is adjustable.

Preferably, the auxiliary screen is connected with a support plate on the screen box through an adjusting bolt, one end of the adjusting bolt is hinged with the auxiliary screen, and the other end of the adjusting bolt is hinged with the support plate.

Preferably, the auxiliary feeding hole is provided with a first baffle plate, and the first baffle plate is in sliding connection with the fine material hopper so as to open/close the auxiliary feeding hole.

Preferably, the mesh of the lower screen bottom is identical to the mesh of the main screen.

Preferably, the mesh of the lower screen bottom is larger than the mesh of the main screen, the receiving pipe is provided with a medium material outlet, the medium material outlet is connected with a medium material hopper, the medium material outlet is provided with a second material baffle, and the second material baffle is in sliding connection with the receiving pipe.

Preferably, one end of the adapting pipe close to the auxiliary screen is of a corrugated structure.

Preferably, the first transition pipe and the second transition pipe are of a corrugated structure.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses set up secondary screening mechanism, secondary screening mechanism is dismantled conveniently with the installation of sieve case, and the user can rationally select as required, and the improper can further sieve the thin material left over in the coarse fodder the inside, and it is effectual to sieve. In addition, through the mesh of selecting secondary screening mechanism, can sieve the material of different particle sizes.

Drawings

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

fig. 2 is a schematic structural diagram of an auxiliary screen in embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

In the figure: the feeding part 100, the material conveying mechanism 200, the sieve box 300, the supporting plate 301, the fine material hopper 400, the first material baffle 401, the auxiliary screen 500, the upper sealing cover 501, the lower sieve bottom 502, the first transition pipe 600, the second transition pipe 700, the coarse material hopper 800, the adapting pipe 900, the medium material hopper 901, the second material baffle 902 and the adjusting bolt 1000.

Detailed Description

For a better understanding of the present invention by those skilled in the art, the present invention will be further described with reference to the following detailed description:

example 1

As shown in fig. 1-2, a novel horizontal airflow screen comprises a feeding portion 100, a material conveying mechanism 200 and a screen box 300, wherein a main screen is arranged in the screen box 300, a coarse material outlet and a fine material outlet are arranged on the screen box 300, the fine material outlet is communicated with a main feeding port of a fine material hopper 400, materials enter from a material inlet of the feeding portion 100 and then enter the screen box 300 through the material conveying mechanism 200, fine materials leak from the main screen and are discharged into the fine material hopper 400 from the fine material outlet, and discharged materials which are not screened out from the main screen are discharged from the coarse material outlet along the cylinder wall of the main screen.

The coarse material discharge port is connected with a secondary screening mechanism, the secondary screening mechanism comprises an auxiliary screen 500, the auxiliary screen 500 is of a cylindrical structure, the auxiliary screen 500 comprises an upper sealing cover 501 and a lower screen bottom 502, the feed end of the auxiliary screen 500 is connected with the coarse material discharge port through a first transition pipe 600, the discharge end of the auxiliary screen 500 is connected with a coarse material hopper 800 through a second transition pipe 700, one side of the fine material hopper 400 facing the auxiliary screen 500 is provided with an auxiliary feed port, the auxiliary feed port is connected with the auxiliary screen 500 through a receiving pipe 900, the mesh of the lower screen bottom 502 is larger than or equal to that of the main screen, the mesh of the lower screen bottom 502 in the embodiment is consistent with that of the main screen, as shown in fig. 1, the first baffle 401 opens the auxiliary feed inlet, the second baffle 902 closes the middle feed outlet, so that the material screened by the lower screen bottom 502 is discharged into the fine material hopper 400 through the adapting pipe 900 and the auxiliary feed inlet.

The auxiliary feeding hole is provided with a first baffle plate 401, and the first baffle plate 401 is slidably connected with the fine material hopper 400 so as to open/close the auxiliary feeding hole. The adapter 900 is provided with a middle material outlet, the middle material outlet is connected with a middle material hopper 901, the middle material outlet is provided with a second material baffle 902, and the second material baffle 902 is slidably connected with the adapter 900.

The feed end of auxiliary screen cloth 500 is connected with the coarse fodder discharge port through first transition pipe 600, and is concrete, first transition pipe 600 one end and coarse fodder discharge port flange joint, the other end and auxiliary screen cloth 500's feed end flange joint, and second transition pipe 700 one end and auxiliary screen cloth 500's discharge end flange joint, the other end and coarse fodder hopper 800 flange joint, preferred, adopt the soft joint of flange rubber. Adopt flange joint, conveniently renew the maintenance secondary screening mechanism. In addition, whether the secondary screening mechanism is used or not can be reasonably selected according to actual conditions, and when the secondary screening mechanism is not used, the coarse material hopper 800 and the coarse material discharge port can be directly connected through a flange.

In order to improve the secondary screening effect, the secondary screening mechanism further includes a vibration exciter for vibrating the lower screen base 502, and the vibration exciter is mounted on the auxiliary screen 500. This embodiment is through setting up secondary screening mechanism, can effectively improve screening efficiency.

In order to satisfy the screening demand, supplementary screen cloth inclination is adjustable, and is specific, and supplementary screen cloth passes through adjusting bolt 1000 to be connected with the backup pad 301 on the sieve case 300, and adjusting bolt 1000 one end is connected with the mount pad on the supplementary screen cloth 500 is articulated, and the other end is connected with the mount pad on the backup pad 301 is articulated. The two sets of adjusting bolts 1000 in this embodiment are provided, and the two sets of adjusting bolts 1000 include a first screw, a second screw and a rotating nut, the first screw and the second screw are connected to two ends of the rotating nut in a threaded manner, the thread directions of the two ends of the rotating thread are opposite, the rotating nut is hinged to the mounting seat on the auxiliary screen 500 through the first screw, and the rotating nut is hinged to the mounting seat on the supporting plate 301 through the second screw. The inclination angle of the auxiliary screen 500 is finely adjusted within a certain range by the adjusting bolt 1000 to meet the use requirement, and the adjustment is simple and rapid. In addition, the adjusting bolt 500 can also play a role in supporting the secondary screening mechanism.

First transition pipe 600, second transition pipe 700 are the ripple formula structure, and the one end that adapting pipe 900 is close to auxiliary screen cloth 500 is the ripple formula structure, adopts the ripple formula structure, can carry out buckling and flexible in the certain limit to adapt to auxiliary screen cloth 500 inclination's adjustment, simple and practical.

Example 2

The embodiment 2 is basically the same as the embodiment 1 in technical scheme, and the differences include: the mesh of the lower screen bottom 502 in embodiment 2 is different from the mesh of the main screen, specifically, the mesh of the lower screen bottom 502 is larger than the mesh of the main screen, so that two required particle sizes can be screened, and the problem that the existing horizontal airflow screen can only screen one particle size is solved. As shown in fig. 3, the first material baffle 401 closes the auxiliary feeding hole, the second material baffle 902 opens the middle material outlet, the material enters from the material inlet of the feeding portion 100, and then enters the screen box 300 through the material conveying mechanism 200, the fine material leaks from the main screen and is discharged into the fine material hopper 400 from the fine material outlet, the discharge material which is not screened out from the main screen is discharged from the coarse material outlet along the cylinder wall of the main screen, enters the secondary screening mechanism, the middle particle size material leaks from the lower screen bottom 502, enters the middle material hopper 901 through the receiving pipe 900 and the middle material outlet, and finally enters the middle material collecting box through the middle material hopper 901.

In addition, in order to prevent the material from being blocked at the discharge port, air cannons can be arranged at the fine material discharge port, the medium material discharge port and the coarse material discharge port.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a novel horizontal air current sieve, includes sieve case (300), be equipped with main screen cloth in sieve case (300), be equipped with coarse fodder discharge port and fine material discharge port on sieve case (300), the main feed inlet intercommunication of fine material discharge port and fine material hopper (400), the material of waiting to sieve gets into from the material import department of feed portion (100), then gets into sieve case (300) through material conveying mechanism, and the fine material spills and discharges from the fine material discharge port from main screen cloth, and the thick material export discharge is followed to the section of thick bamboo wall of main screen cloth along the ejection of compact of main screen cloth not following main screen cloth sifting, its characterized in that: coarse fodder discharge port department is connected with secondary screening mechanism, secondary screening mechanism includes auxiliary screen cloth (500), auxiliary screen cloth (500) are tubular structure, and auxiliary screen cloth (500) include that upper portion seals lid (501) and lower part screen bottom (502), the feed end of auxiliary screen cloth (500) is connected with the coarse fodder discharge port through first transition pipe (600), and coarse fodder hopper (800) are connected through second transition pipe (700) to the discharge end of auxiliary screen cloth (500), fine fodder hopper (400) are equipped with supplementary feed inlet towards one side of auxiliary screen cloth (500), supplementary feed inlet is connected with auxiliary screen cloth (500) through accepting pipe (900), the mesh of lower part screen bottom (502) is greater than or equal to the mesh of main screen cloth to the material that makes lower part screen bottom (502) screening out flows into accepting pipe (900).

2. The novel horizontal airflow screen of claim 1, wherein: the inclination angle of the auxiliary screen (500) is adjustable.

3. The novel horizontal airflow screen of claim 2, wherein: the auxiliary screen (500) is connected with a support plate (301) on the screen box (300) through an adjusting bolt (1000), one end of the adjusting bolt (1000) is hinged with the auxiliary screen (500), and the other end of the adjusting bolt is hinged with the support plate (301).

4. The novel horizontal airflow screen of claim 3, wherein: the auxiliary feeding hole is provided with a first material baffle plate (401), and the first material baffle plate (401) is in sliding connection with the fine material hopper (400) to open/close the auxiliary feeding hole.

5. The novel horizontal airflow screen of claim 4, wherein: the meshes of the lower screen bottom (502) are consistent with the meshes of the main screen.

6. The novel horizontal airflow screen of claim 4, wherein: the mesh of the lower screen bottom (502) is larger than that of the main screen, a middle material outlet is formed in the adapting pipe (900), a middle material hopper (901) is connected to the middle material outlet, a second material baffle plate (902) is arranged at the middle material outlet, and the second material baffle plate (902) is in sliding connection with the adapting pipe (900).

7. The novel horizontal airflow screen of claim 6, wherein: one end of the adapting pipe (900) close to the auxiliary screen (500) is of a corrugated structure.

8. The novel horizontal airflow screen of any one of claims 1 to 7, wherein: the first transition pipe (600) and the second transition pipe (700) are of corrugated structures.