CN220258717U

CN220258717U - Linear vibrating screen

Info

Publication number: CN220258717U
Application number: CN202323293264.4U
Authority: CN
Inventors: 陈章华; 杨敏惠; 程精涛; 席红梅
Original assignee: Leshan Taigang Sunko's Machinery Manufacturing Co ltd
Current assignee: Leshan Taigang Sunko's Machinery Manufacturing Co ltd
Priority date: 2023-12-05
Filing date: 2023-12-05
Publication date: 2023-12-29
Anticipated expiration: 2033-12-05

Abstract

The utility model relates to the technical field of vibrating screens, in particular to a linear vibrating screen, which comprises a screening box body, wherein a plurality of groups of screen holes are uniformly formed in the screening box body; a discharge hole is formed in one side of the screening box body, a sealing plate is embedded in the discharge hole, first guide rods are symmetrically and fixedly arranged on two sides of the screening box body, an adjusting plate fixed with the sealing plate is slidably arranged on the first guide rods, a first spring is further arranged on the first guide rods, one end of the first spring is fixed with the first guide rods, and the other end of the first spring is fixed with the adjusting plate; the screening box body is arranged on the bottom plate, wherein a support plate is arranged at the bottom of the bottom plate at a position close to the discharge hole, the bottom plate is rotationally connected with the support plate through two groups of hinging seats, a driving cylinder is fixedly arranged at the other side of the bottom plate, a sliding groove is further formed in the bottom of the bottom plate, and the driving end of the driving cylinder is hinged with a sliding seat which can be slidably arranged in the sliding groove; according to the utility model, the materials which can not pass through the sieve holes are not required to be collected manually, and the effect of automatic aggregation and discharging can be realized.

Description

Linear vibrating screen

Technical Field

The utility model relates to the technical field of vibrating screens, in particular to a linear vibrating screen.

Background

The linear vibrating screen uses vibration motor excitation as vibration power source to make material be thrown up on screen, at the same time makes straight movement forward, the material uniformly enters the feed inlet of screening machine from feeder, and several specifications of oversize material and undersize material are produced by means of multilayer screen, and respectively discharged from respective outlets.

In the prior art, as disclosed in patent document with publication number of CN219168912U, a linear vibrating screen with high screening efficiency is synchronously disclosed, which comprises a side frame, a first screen plate and a second screen plate fixedly arranged on the inner side of the side frame, wherein the first screen plate and the second screen plate are arranged in parallel up and down; in the process of the movement of the U-shaped seat, when the convex block is not contacted with the convex ring, the upper scraping plate stretches into the first sieve hole, and when the convex ring is contacted with the convex block in the process of travelling, the T-shaped sliding block can slide downwards against the elastic force of the spring by extrusion of the convex block, so that the lower scraping plate can stretch into the second sieve hole;

during practical application, after sieving the material, the material of part large granule is stopped on the sieve surface owing to can't directly pass the sieve mesh, still needs the manual work to collect this part large granule material, but because the granule material is more and comparatively dispersedly, consequently is difficult to gather.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a linear vibrating screen.

The utility model provides a linear vibrating screen, which comprises a screening box body, wherein a plurality of groups of screen holes are uniformly formed in the screening box body;

a discharge hole is formed in one side of the screening box body, a sealing plate is embedded in the discharge hole, first guide rods are symmetrically and fixedly arranged on two sides of the screening box body, an adjusting plate fixed with the sealing plate is slidably arranged on the first guide rods, a first spring is further arranged on the first guide rods, one end of the first spring is fixed with the first guide rods, and the other end of the first spring is fixed with the adjusting plate;

the screening box is laid on the bottom plate, wherein, the bottom plate is laid in the position department that is close to the bin outlet bottom plate, and the bottom plate is rotated with the extension board through two sets of articulated seats and is connected, and the fixed drive cylinder that lays of bottom plate bottom opposite side has still seted up the spout bottom, and drive cylinder drive end articulates with the slide that can lay in the spout.

Preferably, a vibration mechanism is further arranged between the bottom plate and the screening box body, and the vibration mechanism is used for driving the screening box body to vibrate in a reciprocating mode in the horizontal direction.

Preferably, the vibration mechanism comprises racks which are symmetrically and fixedly arranged on two sides of the screening box body, semi-gears which are used for intermittently meshing with the racks are symmetrically and rotatably arranged on the bottom plate, the semi-gears on two sides are fixedly connected with the output end of the first motor after being connected through a rotating shaft, and the screening box body is further connected with an elastic mechanism arranged on the bottom plate.

Preferably, the elastic mechanism comprises a positioning plate fixedly arranged on the bottom plate, a second guide rod is fixedly arranged on the positioning plate, the screening box body is fixed with a sliding plate which is slidably arranged on the second guide rod, a second spring is further arranged on the second guide rod, one end of the second spring is fixed with the positioning plate, and the other end of the second spring is fixed with the sliding plate.

Preferably, the scraping plate is slidably arranged in the screening box body and is connected with the pushing mechanism, so that the scraping plate is driven to move in the screening box body to scrape materials to the discharge opening.

Preferably, the pushing mechanism comprises a screw rod which is rotatably arranged on one side of the screening box body, the end part of the screw rod is fixed with the output end of the second motor, and a nut which is fixed with the scraping plate is spirally sleeved on the screw rod.

Compared with the related art, the linear vibrating screen provided by the utility model has the following beneficial effects:

the utility model provides a linear vibrating screen, when large-particle materials in a screening box body are required to be discharged, a driving cylinder is started, the driving cylinder drives a bottom plate to rotate towards one side around a hinged seat, so that the materials in the screening box body roll down towards a discharge hole under the action of gravity, under the action of the pressure of the materials, a sealing plate can be pushed to move towards a direction away from the discharge hole, the discharge hole is further in an open state, the materials can be discharged from the discharge hole, in the process, a sealing plate synchronously drives an adjusting plate to slide on a first guide rod so as to drive a first spring to stretch to generate elasticity, when the driving end of the driving cylinder resets, the weight of the screening box is in a horizontal state again, the first spring can drive the sealing plate to shrink back into the discharge hole.

Drawings

FIG. 1 is a schematic view of a linear vibrating screen according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of a linear vibrating screen shown in FIG. 1;

fig. 3 is a schematic structural view of a linear vibrating screen shown in fig. 1.

Reference numerals in the drawings: 1. screening a box body; 2. a second guide bar; 3. a second motor; 4. a first motor; 5. a bottom plate; 101. a sieve pore; 102. a discharge port; 103. a sealing plate; 104. an adjusting plate; 105. a first spring; 106. a first guide bar; 201. a second spring; 301. a screw; 302. a nut; 303. a scraper; 401. a half gear; 402. a rack; 501. a positioning plate; 502. a driving cylinder; 503. and (5) supporting plates.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Example 1:

referring to fig. 1 to 2, a linear vibrating screen provided by an embodiment of the present utility model includes a screening box 1, and a plurality of groups of screen holes 101 are uniformly formed on the screening box 1; in this embodiment, when the material to be screened is placed in the screening box 1, the material can be screened through the screen holes 101, the small-particle material can directly pass through the screen holes 101 to fall, and the large-particle material still exists in the screening box 1;

a discharge hole 102 is formed in one side of the screening box body 1, a sealing plate 103 is embedded in the discharge hole 102, first guide rods 106 are symmetrically and fixedly arranged on two sides of the screening box body 1, an adjusting plate 104 fixed with the sealing plate 103 is slidably arranged on the first guide rods 106, a first spring 105 is further arranged on the first guide rods 106, one end of the first spring 105 is fixed with the first guide rods 106, and the other end of the first spring 105 is fixed with the adjusting plate 104; specifically, in the initial state, under the action of the tension of the first spring 105, the sealing plate 103 can be just embedded in the discharge port 102 to seal, so that the materials in the screening box 1 can not be discharged through the discharge port 102;

the screening box body 1 is arranged on a bottom plate 5, wherein a supporting plate 503 is arranged at the bottom of the bottom plate 5 at a position close to a discharge hole 102, the bottom plate 5 is rotationally connected with the supporting plate 503 through two groups of hinging seats, a driving air cylinder 502 is fixedly arranged at the other side of the bottom plate 5, a sliding groove is further formed in the bottom of the bottom plate 5, and the driving end of the driving air cylinder 502 is hinged with a sliding seat which can be slidably arranged in the sliding groove;

it may be noted that, when the large granule material in the screening box 1 needs to be discharged, start the actuating cylinder 502, actuating cylinder 502 drives bottom plate 5 to rotate towards one side around articulated seat, make the material in screening box 1 roll down towards bin outlet 102 under the effect of gravity, under the pressure effect of material, can promote closing plate 103 to move towards the direction of keeping away from bin outlet 102, and then make bin outlet 102 be in the open state, the material can be discharged by bin outlet 102, in this process, closing plate 103 synchronous drive regulating plate 104 slides on first guide arm 106, in order to drive first spring 105 tensile production elasticity, when actuating cylinder 502 drive end resets, screening box 1 is in the horizontality again, first spring 105 can drive closing plate 103 to shrink again to bin outlet 102, this embodiment does not need the manual work to failing to pass the material of sieve mesh 101 and collect, can realize automatic gathering and discharging's effect, degree of automation is higher.

Example 2:

on the basis of embodiment 1, referring to fig. 3, a vibration mechanism is further arranged between the bottom plate 5 and the screening box 1, and the vibration mechanism is used for driving the screening box 1 to vibrate reciprocally in the horizontal direction; specifically, when materials are screened, the screening box body 1 is driven to vibrate in a reciprocating manner through the vibration mechanism, so that the screening efficiency is improved;

the vibrating mechanism comprises racks 402 symmetrically and fixedly arranged on two sides of the screening box body 1, a half gear 401 which is used for intermittently meshing with the racks 402 is symmetrically and rotatably arranged on the bottom plate 5, the half gears 401 on two sides are fixedly connected with the output end of the first motor 4 after being connected through a rotating shaft, and the screening box body 1 is also connected with an elastic mechanism arranged on the bottom plate 5; it may be noted that, when the screening box 1 is driven to vibrate, the first motor 4 drives the half gear 401 to rotate, the half gear 401 is meshed with the rack 402 in the rotating process to drive the screening box 1 to move towards one side, in the process, the elastic mechanism is elastically deformed, and when the half gear 401 is out of meshing with the rack 402, the half gear 401 can be driven to reset through the elastic mechanism, so that the effect of reciprocating vibration is achieved;

the elastic mechanism comprises a positioning plate 501 fixedly arranged on the bottom plate 5, a second guide rod 2 is fixedly arranged on the positioning plate 501, the screening box body 1 is fixed with a sliding plate which is slidably arranged on the second guide rod 2, a second spring 201 is further arranged on the second guide rod 2, one end of the second spring 201 is fixed with the positioning plate 501, and the other end of the second spring 201 is fixed with the sliding plate; when the screening box 1 is reciprocally transferred, the sliding plate is synchronously driven to transfer on the second guide rod 2, so that the second spring 201 can be stretched or compressed;

as a further scheme of the embodiment, a scraper 303 is slidably arranged in the screening box 1, and the scraper 303 is connected with a pushing mechanism for driving the scraper 303 to move in the screening box 1 so as to scrape materials to the discharge port 102; specifically, in order to improve the material discharging efficiency, in this embodiment, the pushing mechanism drives the scraping plate 303 to move towards the material discharging opening 102, so as to scrape the material in the screening box 1 towards the material discharging opening 102;

the pushing mechanism comprises a screw 301 which is rotatably arranged at one side of the screening box body 1, the end part of the screw 301 is fixed with the output end of the second motor 3, and a nut 302 which is fixed with a scraper 303 is spirally sleeved on the screw 301; the second motor 3 drives the screw 301 to rotate, and the flight 303 is driven to move when the nut 302 is moved on the screw 301.

The working principle of the linear vibrating screen provided by the utility model is as follows: when placing the material that will wait to screen in screening box 1, can screen the material through sieve mesh 101, the granule material can directly pass sieve mesh 101 and fall down, big granule material still exists in screening box 1, drive half gear 401 through first motor 4 and rotate, half gear 401 is through meshing with rack 402 and drive screening box 1 and move towards one side at pivoted in-process, in this process, elastic mechanism takes place elastic deformation, when half gear 401 and rack 402 lose the meshing, can reset through elastic mechanism drive it, and then realize reciprocating vibration's effect, when the big granule material in the screening box 1 is discharged to needs, start drive cylinder 502, drive cylinder 502 drive bottom plate 5 rolls towards one side round articulated seat, make the material in the screening box 1 roll down towards bin outlet 102 department under the effect of gravity, under the pressure effect of material, can promote sealing plate 103 and move towards keeping away from bin outlet 102 direction, and then make bin outlet 102 be in the open state, the material can be discharged by bin outlet 102.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. The linear vibrating screen comprises a screening box body (1) and is characterized in that a plurality of groups of screen holes (101) are uniformly formed in the screening box body (1);

a discharge opening (102) is formed in one side of the screening box body (1), a sealing plate (103) is embedded in the discharge opening (102), first guide rods (106) are symmetrically and fixedly arranged on two sides of the screening box body (1), an adjusting plate (104) fixed with the sealing plate (103) is slidably arranged on the first guide rods (106), a first spring (105) is further arranged on the first guide rods (106), one end of the first spring (105) is fixed with the first guide rods (106), and the other end of the first spring is fixed with the adjusting plate (104);

screening box (1) is laid on bottom plate (5), and extension board (503) is laid to the position department that is close to bin outlet (102) bottom plate (5), and bottom plate (5) are connected with extension board (503) rotation through two sets of articulated seat, and bottom plate (5) bottom opposite side is fixed to be laid and is driven cylinder (502), and the spout has still been seted up to bottom plate (5), and drive cylinder (502) drive end is articulated with the slide of slidable layout in the spout.

2. A rectilinear vibrating screen according to claim 1, characterized in that a vibrating mechanism is arranged between the bottom plate (5) and the screening box (1), and the vibrating mechanism is used for driving the screening box (1) to vibrate reciprocally in the horizontal direction.

3. The linear vibrating screen according to claim 2, wherein the vibrating mechanism comprises racks (402) symmetrically and fixedly arranged on two sides of the screening box body (1), half gears (401) for intermittently meshing with the racks (402) are symmetrically and rotatably arranged on the bottom plate (5), the two side half gears (401) are fixedly connected with the output end of the first motor (4) after being connected through a rotating shaft, and the screening box body (1) is further connected with an elastic mechanism arranged on the bottom plate (5).

4. A rectilinear vibrating screen according to claim 3, characterized in that the elastic mechanism comprises a positioning plate (501) fixedly arranged on the bottom plate (5), a second guide rod (2) is fixedly arranged on the positioning plate (501), the screening box (1) is fixed with a sliding plate slidingly arranged on the second guide rod (2), a second spring (201) is further arranged on the second guide rod (2), one end of the second spring (201) is fixed with the positioning plate (501), and the other end of the second spring is fixed with the sliding plate.

5. A rectilinear vibrating screen according to claim 1, characterized in that the scrapers (303) are slidably arranged in the screening box (1), the scrapers (303) being connected to a pushing mechanism for driving the scrapers (303) to move in the screening box (1) to scrape the material towards the discharge opening (102).

6. The linear vibrating screen according to claim 5, wherein the pushing mechanism comprises a screw rod (301) rotatably arranged at one side of the screening box body (1), the end part of the screw rod (301) is fixed with the output end of the second motor (3), and a nut (302) fixed with the scraping plate (303) is sleeved on the screw rod (301) in a spiral mode.