CN215997458U

CN215997458U - Large-interval staggered-layer linear screen

Info

Publication number: CN215997458U
Application number: CN202121928675.4U
Authority: CN
Inventors: 刘鸿滨
Original assignee: Nanchang Mineral Systems Co Ltd
Current assignee: Nanchang Mineral Systems Group Co Ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2022-03-11
Anticipated expiration: 2031-08-17

Abstract

The utility model discloses a large-interval staggered-layer linear screen which comprises a screen box body, wherein two sides of the screen box body are respectively provided with a side plate, one side plate is provided with a group of vibration sources in a staggered layer mode, each vibration source comprises a first vibrator and a second vibrator, the exciting forces of the first vibrator and the second vibrator are consistent, the first vibrator is arranged above an upper-layer screen surface, and the second vibrator is arranged between two layers of screen surfaces. According to the utility model, the group of vibration sources are installed on the side plate in a staggered manner, so that the stress of the vibrators on the side plate of the screen box is more reasonable, and the influence on the strength of the screen box due to the concentration of two groups of vibrators on the upper part of the screen box is avoided; after the distance between the two groups of vibrators is enlarged, the movable relative space is enlarged, a larger maintenance space is provided for the screen box, and the screen replacing operation and other operations are facilitated.

Description

Large-interval staggered-layer linear screen

Technical Field

The utility model relates to a linear sieve, in particular to a large-space staggered-layer linear sieve.

Background

The linear sieve (linear vibrating sieve) utilizes the vibration of a vibrating motor as a vibration source to enable materials to be thrown up on a screen and to move forwards in a linear manner, the materials uniformly enter a feeding hole of the sieving machine from a feeding machine, and oversize materials and undersize materials of various specifications are generated through multiple layers of screen meshes and are respectively discharged from respective outlets. The device has the advantages of low energy consumption, high yield, simple structure, easy maintenance, totally-enclosed structure, no dust overflow and automatic discharge, and is more suitable for assembly line operation.

At present, the problems of small interlayer spacing, difficulty in replacing screen meshes, difficulty in arranging a spraying system and the like of a multi-layer linear screen generally exist. Therefore, the large-spacing staggered-layer linear screen is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a large-interval staggered-layer linear screen which comprises a screen box body, wherein a pair of screen surfaces are arranged in the screen box body in parallel, a feeding assembly and a discharging assembly are respectively arranged at two ends of the screen box body, a plurality of cross beams for supporting the screen surfaces are arranged in the screen box body at intervals, side plates are respectively arranged at two sides of the screen box body, one side plate is provided with a group of vibration sources in a staggered-layer mode, the vibration sources comprise a first vibrator and a second vibrator, the exciting forces of the first vibrator and the second vibrator are consistent, the first vibrator is arranged above the upper-layer screen surface, and the second vibrator is arranged between the two layers of screen surfaces.

As a preferable technical solution of the present invention, a reinforcing plate is installed between the side plates and the first and second vibrators, the reinforcing plate is provided with an installation plate, and the first and second vibrators are both arranged on the installation plate.

As a preferable technical scheme of the utility model, a damping mechanism is arranged between the reinforcing plate and the mounting plate, the damping mechanism comprises a plurality of damping springs and a pair of connecting plates, and the plurality of damping springs are uniformly arranged between the two connecting plates.

As a preferable technical scheme of the utility model, the opposite sides of the reinforcing plate and the mounting plate are respectively provided with mounting grooves matched with the connecting plates, and the two connecting plates are clamped in the two mounting grooves in a matched manner.

According to a preferable technical scheme, the reinforcing plate is provided with a plurality of connecting columns, the outer side of the mounting plate is connected with the connecting columns in an inserting mode, the outer ends of the connecting columns are connected with limiting blocks in a threaded mode, and rubber pieces are sleeved on the connecting columns and located between the mounting plate and the reinforcing plate.

According to a preferable technical scheme of the utility model, the two end parts of the side plates are provided with lifting reinforcing beams.

The utility model has the beneficial effects that: according to the large-interval staggered-layer linear screen, a group of vibration sources are installed on the side plate in a staggered-layer mode, each vibration source comprises a first vibrator and a second vibrator, the exciting forces of the first vibrator and the second vibrator are consistent, the first vibrator is arranged above the upper-layer screen surface, and the second vibrator is arranged between the two screen surfaces in a staggered-layer mode, so that the stress of the vibrators on the side plate of the screen box is more reasonable, and the situation that the two groups of vibrators are concentrated on the upper portion of the screen box to influence the strength of the screen box is avoided; after the distance between the two groups of vibrators is enlarged, the movable relative space is enlarged, a larger maintenance space is provided for the screen box, and the screen replacing operation and other operations are facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of a large-spacing staggered-layer linear screen according to the utility model;

FIG. 2 is a schematic structural diagram of a reinforcing plate of a large-spacing staggered linear screen according to the utility model;

fig. 3 is a schematic structural diagram of a shock absorption mechanism of a large-spacing staggered-layer linear screen.

In the figure: 1. a screen box body; 2. screening surface; 3. a feeding assembly; 4. a discharge assembly; 5. a cross beam; 6. a side plate; 7. a first vibrator; 8. a second vibrator; 9. a reinforcing plate; 10. mounting a plate; 11. a damping mechanism; 12. a connecting plate; 13. a damping spring; 14. mounting grooves; 15. connecting columns; 16. a limiting block; 17. a rubber member; 18. and (5) hoisting the reinforcing beam.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1, 2 and 3, the large-interval staggered-layer linear screen comprises a screen box body 1, a pair of screen surfaces 2 are arranged in the screen box body 1 in parallel, a feeding assembly 3 and a discharging assembly 4 are respectively arranged at two ends of the screen box body 1, a plurality of cross beams 5 supporting the screen surfaces 2 are arranged in the screen box body 1 at intervals, side plates 6 are respectively arranged at two sides of the screen box body 1, one of the side plates 6 is provided with a group of vibration sources in staggered layers, each vibration source comprises a first vibrator 7 and a second vibrator 8, the exciting forces of the first vibrator 7 and the second vibrator 8 are consistent, the first vibrator 7 is arranged above the upper screen surface 2, the second vibrator 8 is arranged between the two screen surfaces 2, the first vibrator 7 and the second vibrator 8 are arranged at a large interval along a direction perpendicular to a parabolic line, the distance ratio of the two groups of vibrators to a gravity center perpendicular line is 1:1, the distance is increased, so that the arrangement of the linear screen on the vibration source is more scientific, and the self weight of the vibration source is uniformly distributed on the side plate 6 of the screen box and is closer to the geometric gravity center of the side plate 6; meanwhile, the screen cloth replacement, the spraying system arrangement and the daily maintenance have larger maintenance space.

Wherein, install reinforcing plate 9 between first vibrator 7 and second vibrator 8 and the curb plate 6, be provided with mounting panel 10 on the reinforcing plate 9, first vibrator 7 and second vibrator 8 all set up on mounting panel 10, strengthen sieve case body 1.

Wherein, reinforcing plate 9 and have to be provided with damper 11 between the mounting panel 10, damper 11 includes a plurality of damping spring 13 and a pair of connecting plate 12, the even setting of a plurality of damping spring 13 is between two connecting plates 12, the vibrations power absorption that will produce through a plurality of damping spring 13, thereby reduce the vibrations that first vibrator 7 and vibrator produced in the course of the work on sieve case body 1, certain shock attenuation effect has, make first vibrator 7 and the more steady work of second vibrator 8.

Wherein, reinforcing plate 9 and mounting panel 10's opposite side all seted up with the mounting groove 14 of connecting plate 12 adaptation, two connecting plate 12 adaptation cards are in two mounting grooves 14, conveniently dismantle a plurality of damping spring 13 along with two connecting plates 12 together.

Wherein, be provided with a plurality of spliced pole 15 on the reinforcing plate 9, the outside and the spliced pole 15 interlude of mounting panel 10 are connected, and the outer end threaded connection of spliced pole 15 has stopper 16, and it is equipped with rubber spare 17 to lie in the cover between mounting panel 10 and the reinforcing plate 9 on the spliced pole 15, and is spacing to mounting panel 10 for mounting panel 10 stability more.

Wherein, the both ends of curb plate 6 all are provided with lifts by crane stiffening beam 18, conveniently lifts by crane the transportation to sieve case body 1.

According to the working principle, a group of vibration sources are installed on the side plate 6 in a staggered mode, each vibration source comprises a first vibrator 7 and a second vibrator 8, the exciting forces of the first vibrators 7 and the second vibrators 8 are consistent, the first vibrators 7 are arranged above the upper screen surface 2, and the second vibrators 8 are arranged between the two screen surfaces 2 in a staggered mode, so that the stress of the vibration sources on the side plate 6 of the screen box is more reasonable, and the situation that the two groups of vibrators are concentrated on the upper portion of the screen box body 1 to influence the strength of the screen box body 1 is avoided; after drawing two sets of vibrator intervals simultaneously greatly, make it can the activity relative space grow, for the sieve case provides bigger maintenance space, be favorable to operations such as screen cloth change, first vibrator 7 and second vibrator 8 are at the course of the work, the shaking force that will produce is absorbed through a plurality of damping spring 13 during the production vibrations, thereby reduce the vibrations that first vibrator 7 and vibrator produced in the course of the work on sieve case body 1, certain shock attenuation effect has, make the more steady work of first vibrator 7 and second vibrator 8.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-space staggered-layer linear sieve comprises a sieve box body (1), a pair of sieve surfaces (2) are arranged in the sieve box body (1) in parallel, the two ends of the screen box body (1) are respectively provided with a feeding component (3) and a discharging component (4), it is characterized in that a plurality of cross beams (5) for supporting the screen surface (2) are arranged in the screen box body (1) at intervals, side plates (6) are arranged on both sides of the screen box body (1), one side plate (6) is provided with a group of vibration sources in staggered layers, the vibration sources comprise a first vibrator (7) and a second vibrator (8), the exciting forces of the first vibrator (7) and the second vibrator (8) are consistent, the first vibrator (7) is arranged above the upper-layer screen surface (2), and the second vibrator (8) is arranged between the two layers of screen surfaces (2).

2. A large-pitch staggered linear screen according to claim 1, characterized in that a reinforcing plate (9) is arranged between the first vibrator (7) and the second vibrator (8) and the side plate (6), a mounting plate (10) is arranged on the reinforcing plate (9), and the first vibrator (7) and the second vibrator (8) are arranged on the mounting plate (10).

3. A large-spacing staggered-layer linear screen according to claim 2, characterized in that a damping mechanism (11) is arranged between the reinforcing plate (9) and the mounting plate (10), the damping mechanism (11) comprises a plurality of damping springs (13) and a pair of connecting plates (12), and the plurality of damping springs (13) are uniformly arranged between the two connecting plates (12).

4. A large-interval staggered-layer linear screen according to claim 3, characterized in that opposite sides of the reinforcing plate (9) and the mounting plate (10) are respectively provided with a mounting groove (14) matched with the connecting plate (12), and the two connecting plates (12) are matched and clamped in the two mounting grooves (14).

5. The large-interval staggered-layer linear sieve as claimed in claim 2, wherein a plurality of connecting columns (15) are arranged on the reinforcing plate (9), the outer side of the mounting plate (10) is connected with the connecting columns (15) in a penetrating manner, the outer ends of the connecting columns (15) are in threaded connection with limiting blocks (16), and rubber pieces (17) are sleeved on the connecting columns (15) between the mounting plate (10) and the reinforcing plate (9).

6. A large-spacing staggered linear screen according to claim 5, characterized in that the two ends of the side plates (6) are provided with lifting reinforcing beams (18).