CN217512289U

CN217512289U - Vibrating screen with double-layer vibrating screen

Info

Publication number: CN217512289U
Application number: CN202221714908.5U
Authority: CN
Inventors: 计扎良
Original assignee: Jiangsu Qinjun Machinery Technology Co ltd
Current assignee: Jiangsu Qinjun Machinery Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-09-30
Anticipated expiration: 2032-07-05

Abstract

The utility model discloses a vibrating screen with double-layer vibrating screen, which comprises a device main body, a supporting component, two vibrating components and screen components, wherein the supporting component is arranged below the device main body, the vibrating components are arranged below the device main body and are used for vibrating the device main body, the screen components are provided with two groups which are all arranged inside the device main body, the two groups of screen components are obliquely arranged, the oblique directions are opposite, the screen components comprise a mounting frame and a detachable screen plate arranged above the mounting frame, a pressure plate is arranged at the edge of the upper part of the screen plate on the inner wall of the device main body, a pin for positioning the screen plate is inserted outside the device main body, the vibrating screen is suitable for being provided with two screen components, so the vibrating screen can carry out secondary screening on materials, the screening effect is good, and the two screen components inside the vibrating screen are obliquely arranged, and the direction of slope is opposite, can make things convenient for the collection of later stage material screening like this, can follow the not equidirectional collection material promptly.

Description

Vibrating screen with double-layer vibrating screen

Technical Field

The utility model belongs to the technical field of the shale shaker, specifically a double-deck vibrating screen's shale shaker.

Background

The vibrating screen operates by utilizing the reciprocating rotary type vibration generated by the vibration of the vibrator. The upper rotary heavy hammer of the vibrator makes the screen surface generate plane rotary vibration, the lower rotary heavy hammer makes the screen surface generate conical surface rotary vibration, and the combined effect makes the screen surface generate re-rotary vibration. The vibration locus is a complex space curve. The curve is projected as a circle in the horizontal plane and as an ellipse in the vertical plane. The amplitude can be changed by adjusting the exciting force of the upper and lower rotary weights. The curve shape of the motion trail of the screen surface can be changed and the motion trail of the materials on the screen surface can be changed by adjusting the space phase angle of the upper and lower heavy hammers;

the existing vibrating screen at least has the following technical problems:

1. most of the existing vibrating screens adopt single-layer screen structures, namely, the vibrating screens only have one-level screening effect and can only screen materials once, and if the materials need to be screened for multiple times, other vibrating screens are required to be used in a matching way, so that the screening effect of the materials is influenced;

2. the existing vibrating screens have a plurality of layers of screen structures, namely, the vibrating screens have a multi-stage screening function, but most of the screen structures in the vibrating screens are unidirectional, and when materials are screened, the materials are discharged from the same direction, so that the mutual interference condition is easy to occur, and the materials are inconvenient to discharge;

3. the sieve plate of the existing vibrating sieve is mostly fixed on vibrating equipment through bolts, so that the phenomenon of loosening is easy to occur when the existing vibrating sieve is used for a long time, the phenomenon of material leakage is caused, and the sieving of materials is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome among the prior art shale shaker and adopt single-layer screen structure mostly, influence the screening effect of material, and when screening the material, the material all is discharged from same direction, the mutual interference's condition appears easily like this, inconvenient row material appears not hard up phenomenon with long-term easy the appearance when using, lead to appearing leaking the defect of material phenomenon, a double-deck shale shaker's shale shaker is provided, this shale shaker screening is effectual, and two inside sieve subassembly slopes to install of shale shaker, and the opposite direction of slope, collect after making things convenient for later stage material screening, and the not hard up phenomenon of sieve can not appear after long-term the use of this shale shaker.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

a vibrating screen with double layers of vibrating screens comprises a device main body, a supporting assembly, vibrating assemblies and screen assemblies, wherein the device main body is used as a containing structure main body for screening the vibrating screen, the supporting assembly is arranged below the device main body and used for supporting the device main body, the vibrating assemblies are arranged below the device main body and used for vibrating the device main body, two groups of screen assemblies are arranged in the device main body and used for carrying out double screening on materials, the two groups of screen assemblies are obliquely arranged and have opposite oblique directions, each screen assembly comprises a mounting frame and a detachable screen plate arranged above the mounting frame, a pressing plate is arranged at the edge of the upper part of the screen plate on the inner wall of the device main body, pins for positioning the screen plate are inserted in the outer part of the device main body, when the vibrating screen is used, materials are poured into the vibrating screen from the high-end position above the screen component, the vibrating component operates to drive the main body of the vibrating screen to vibrate, so that the materials slide downwards, the materials are firstly screened by the screen plate on the upper part in the sliding process, the screened materials fall into the screen plate on the lower part to be screened secondarily, and the secondary screening effect is realized, the vibrating screen is provided with two screen components, so that the materials can be screened secondarily, the screening effect is good, the two screen components in the vibrating screen are obliquely arranged and are opposite in oblique direction, the later-stage material screening collection is convenient, the materials can be collected from different directions (the materials are discharged in the same direction and are inconvenient to collect), meanwhile, the screen plate in the vibrating screen is detachably arranged, the materials can be conveniently replaced when the vibrating screen is damaged or the screen meshes with other apertures need to be replaced, and the pressing plate is arranged at the edge above the screen plate in the vibrating screen device, the edge of the sieve plate can be pressed through the pressing plate, and the vibrating sieve is guaranteed not to be loosened after being used for a long time.

Preferably, the inside guide board that is provided with of device main part, the guide board is located two sets of between the sieve subassembly, the guide board is parallel with the sieve subassembly that is located the top, can prevent like this that the material of the high-end department screening of top sieve subassembly from directly falling the exit of below sieve subassembly, guarantees that the material can accept the screening of below sieve subassembly.

Preferably, the guide board is located the high-end department of the sieve subassembly of top, the length a of guide board, the length of sieve is in b, and 2a > b can guarantee like this that the below sieve is more than half sieve length to the screening stroke of material, guarantees the effect of secondary screening.

Preferably, the supporting component comprises a supporting chassis and a vibrating spring, the supporting chassis is arranged below the device main body, the vibrating spring is arranged between the supporting chassis and the device main body, and the vibrating spring is used for providing elasticity for the device main body and ensuring the vibrating effect of the device main body.

Preferably, the support chassis adopts the frame column structure of rectangle, a plurality of support frames are installed to the top of supporting the chassis, the outer wall of device main part is located install fixed grillage on the same vertical line position of support chassis, vibrating spring's top is fixed on the fixed grillage, vibrating spring's bottom is fixed on the support frame, play the effect of strutting arrangement main part.

Preferably, the vibration subassembly includes mounting bracket, pivot, cam and motor, the mounting bracket is provided with two, and the symmetry is installed support the both sides top of chassis, the top of mounting bracket is provided with the mounting panel, the pivot is rotated and is installed two between the mounting panel, the cam cup joints in the pivot, the motor is installed one of them the outside of mounting panel, the output shaft of motor with the one end of pivot is connected, and when the motor operation, drive the pivot and rotate, and be provided with the cam in the pivot, the cam rotates can be continuous jack-up or put down the device main part, realizes the vibration of device main part.

Preferably, the cam is provided with a plurality ofly altogether, and is a plurality of the cam is linear array distribution in the pivot, can guarantee like this that the device main part is when the vibration, the bottom atress is even, has promoted the life of device main part.

Preferably, the screen plates in the two screen assemblies have different aperture diameters, and the aperture diameter of the screen plate positioned above is larger than that of the screen plate positioned below.

Preferably, be located the top sieve inclination is 10, is located the below the inclination of sieve is-10, can guarantee the smooth downstream of material like this, can guarantee the screening effect again simultaneously (the angle is big more, and the material removes sooner, and the screening effect is poor more).

Preferably, two pressing plates are arranged above the same sieve plate, the two pressing plates are symmetrical to each other about a vertical central line of the sieve plate, the edges of the sieve plate can be pressed tightly through the pressing plates, and the sieve plate is guaranteed not to loosen.

The application has the advantages that:

1. the utility model discloses in, this shale shaker is provided with two sieve subassemblies altogether, therefore it can carry out secondary screening to the material, and screening effect is good, and two sieve subassemblies in this shale shaker are installed aslope, and the direction of slope is opposite, can make things convenient for later stage material screening's collection like this, can collect the material from different directions promptly (all arrange the material in the same direction, inconvenient collection);

2. the utility model discloses in, sieve in this shale shaker adopts demountable installation, conveniently changes when it damages or needs to change the screen cloth in other apertures to the clamp plate is installed to the top edge of sieve among the device, can compress tightly the edge of sieve through the clamp plate, guarantees that the not hard up phenomenon of sieve can not appear after long-term the use of shale shaker.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

fig. 3 is a schematic diagram of the internal structure of the present invention.

Reference numerals: 1. a screen assembly; 101. a sieve plate; 102. pressing a plate; 103. a guide plate; 104. assembling a plate frame; 2. a device main body; 3. a support assembly; 301. fixing the plate frame; 302. a vibration spring; 303. a support chassis; 304. a support frame; 4. a vibrating assembly; 401. a motor; 402. mounting a plate; 403. a mounting frame; 404. a cam; 405. a rotating shaft.

Detailed Description

The following will further describe a specific embodiment of the vibrating screen with a double-deck vibrating screen according to the present invention with reference to fig. 1 to 3. Overcome among the prior art shale shaker and adopt single-layer screen structure mostly, influence the screening effect of material, and when screening the material, the material is discharged from same direction all, the mutual interference's condition appears easily like this, inconvenient row material appears not hard up phenomenon easily with long-term the time of using, lead to appearing leaking the defect of expecting the phenomenon, this shale shaker screening is effectual, and two inside sieve subassemblies of shale shaker slope installation, and the opposite direction of slope, collect after making things convenient for later stage material screening, and the not hard up phenomenon of sieve can not appear after long-term the use of this shale shaker. The utility model relates to a double-deck vibrating screen's shale shaker is not limited to the description of following embodiment.

Example 1:

the embodiment provides a concrete structure of a vibrating screen with double layers of vibrating screens, as shown in fig. 1-3, comprising a device body 2, a supporting component 3, a vibrating component 4 and a screen component 1, wherein the device body 2 is used as a containing structure body for sieving the vibrating screen, the supporting component 3 is arranged below the device body 2, for supporting the device main body 2, a vibrating component 4 is arranged below the device main body 2 for vibrating the device main body 2, two groups of screen components 1 are arranged in total and are arranged in the device main body 2, the sieve assembly comprises a packing frame 104 and a detachable sieve plate 101 arranged above the packing frame 104, wherein the inner wall of the device main body 2 is located at the edge of the upper side of the sieve plate 101, and a pressing plate 102 is arranged at the edge of the upper side of the sieve plate 101, and a pin used for positioning the sieve plate 101 is inserted in the outer part of the device main body 2.

By adopting the technical scheme:

when the vibrating screen is used, materials are poured into the vibrating screen from the high-end position above the screen component 1, the vibrating component 4 runs to drive the device main body 2 to vibrate to enable the materials to slide downwards, the materials are firstly screened by the screen plate 101 on the upper part in the sliding process, the screened materials fall into the screen plate 101 on the lower part to be screened secondarily, the secondary screening effect is realized, the vibrating screen is provided with two screen components 1, so that the materials can be screened secondarily, the screening effect is good, the two screen components 1 in the vibrating screen are obliquely installed and are opposite in oblique direction, the collection of the later-stage material screening is facilitated, the materials can be collected from different directions (the materials are discharged in the same direction and are inconvenient to collect), meanwhile, the screen plate 101 in the vibrating screen is detachably installed and is convenient to replace when the screen plate is damaged or the screen meshes in other apertures need to be replaced, and the pressing plate 102 is installed at the edge of the upper portion of the sieve plate 101 in the device, the edge of the sieve plate 101 can be pressed through the pressing plate 102, and the vibrating sieve is guaranteed not to loose the sieve plate 101 after being used for a long time.

Example 2

On embodiment 1's basis, in this embodiment, the inside guide board 103 that is provided with of device main part 2, guide board 103 is located between two sets of sieve subassemblies 1, and guide board 103 is parallel with the sieve subassembly 1 that is located the top, can prevent like this that the material of the high-end department screening of top sieve subassembly 1 from directly falling to the exit of below sieve subassembly 1, guarantees that the material can accept the screening of below sieve subassembly 1.

Guide board 103 is located the high-end department of the sieve subassembly 1 of top, and the length a of guide board 103, the length of sieve board 101 be in b, 2a > b, can guarantee like this that below sieve board 101 is more than half sieve board 101 length to the screening stroke of material, guarantees the effect of secondary screening.

The support assembly 3 includes a support chassis 303 and a vibration spring 302, the support chassis 303 is disposed below the device main body 2, the vibration spring 302 is disposed between the support chassis 303 and the device main body 2, and the vibration spring 302 is configured to provide an elastic force to the device main body 2 to ensure a vibration effect thereof.

The supporting chassis 303 is of a rectangular frame-shaped structure, the supporting chassis 303 is provided with a plurality of supporting frames 304 above, the outer wall of the device main body 2 is positioned on the same vertical line of the supporting chassis 303 and provided with a fixing plate frame 301, the top of the vibration spring 302 is fixed on the fixing plate frame 301, and the bottom of the vibration spring 302 is fixed on the supporting frames 304 to support the device main body 2.

Vibration subassembly 4 includes mounting bracket 403, pivot 405, cam 404 and motor 401, and mounting bracket 403 is provided with two, and the symmetry is installed in the both sides top of supporting chassis 303, and the top of mounting bracket 403 is provided with mounting panel 402, and pivot 405 rotates and installs between two mounting panels 402, and cam 404 cup joints on pivot 405, and motor 401 installs the outside at one of them mounting panel 402, and motor 401's output shaft is connected with the one end of pivot 405.

The cams 404 are arranged in a plurality, and the cams 404 are distributed on the rotating shaft 405 in a linear array manner, so that the bottom stress of the device main body 2 is uniform when the device main body vibrates, and the service life of the device main body 2 is prolonged.

By adopting the technical scheme:

when the motor 401 operates, the rotating shaft 405 is driven to rotate, and the cam 404 is arranged on the rotating shaft 405, so that the cam 404 can continuously jack up or put down the device body 2 by rotating, and the vibration of the device body 2 is realized.

Example 3

On the basis of embodiment 1, in the present embodiment, the aperture of the screening deck 101 is different between the two screening assemblies 1, and the aperture of the screening deck 101 located above is larger than the aperture of the screening deck 101 located below.

The inclination angle of the sieve plate 101 positioned above is 10 degrees, the inclination angle of the sieve plate 101 positioned below is-10 degrees, so that the smooth downward movement of the materials can be ensured, and meanwhile, the sieving effect can be ensured (the larger the angle is, the faster the material moves, and the worse the sieving effect is).

Two pressing plates 102 are arranged above the same sieve plate 101, the two pressing plates 102 are symmetrical with each other about the vertical center line of the sieve plate 101, the edges of the sieve plate 101 can be pressed tightly through the pressing plates 102, and looseness of the sieve plate 101 is guaranteed not to occur.

By adopting the technical scheme:

the inclination angle of the sieve plate 101 above the device is 10 degrees, the inclination angle of the sieve plate 101 below the device is-10 degrees, so that the smooth downward movement of the materials can be ensured, and the sieving effect can be ensured (the larger the angle is, the faster the material moves, and the worse the sieving effect is).

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model discloses to the ordinary skilled person in technical field's the prerequisite that does not deviate from the utility model discloses under the design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. The utility model provides a shale shaker of double-deck vibrating screen, its characterized in that: comprises that

A device body (2) as a containment structure body for the screening of the vibrating screen;

a support member (3) provided below the apparatus main body (2) and supporting the apparatus main body (2);

a vibration unit (4) provided below the device body (2) and configured to vibrate the device body (2);

the screen assemblies (1) are arranged in two groups, are arranged in the device main body (2) and are used for carrying out double screening on materials;

wherein, two sets of all slope installations of sieve subassembly (1), and the opposite direction of slope, install including dress sheet frame (104) and detachable sieve (101) of dress sheet frame (104) top sieve subassembly (1), device main part (2) inner wall is located clamp plate (102) are installed to the top edge of sieve (101), the outside interlude of device main part (2) is used for right sieve (101) carry out the round pin of location.

2. A double deck vibratory screen as set forth in claim 1, wherein: device main part (2) inside is provided with guide board (103), guide board (103) are located two sets of between sieve subassembly (1), guide board (103) are parallel with sieve subassembly (1) that are located the top.

3. A double deck vibratory screen as set forth in claim 2, wherein: the guiding plate (103) is located at the high end of the screen assembly (1) above, the length a of the guiding plate (103) and the length of the screening deck (101) are b, wherein 2a > b.

4. A vibratory screen of the double deck vibratory screen set forth in claim 1, wherein: the support assembly (3) comprises:

a support chassis (303) provided below the apparatus main body (2);

a vibration spring (302) provided between the support chassis (303) and the device body (2).

5. A vibratory screen of the double deck vibratory screen set forth in claim 4, wherein: support chassis (303) and adopt the frame column structure of rectangle, a plurality of support frames (304) are installed to the top of supporting chassis (303), the outer wall of device main part (2) is located install fixed grillage (301) on the same vertical line position of supporting chassis (303), the top of vibrating spring (302) is fixed on fixed grillage (301), the bottom of vibrating spring (302) is fixed on support frame (304).

6. A double deck vibratory screen as set forth in claim 5, wherein: the vibrating assembly (4) comprises:

two mounting racks (403) are symmetrically arranged above two sides of the support chassis (303), and a mounting plate (402) is arranged at the top of each mounting rack (403);

a rotating shaft (405) rotatably mounted between the two mounting plates (402);

a cam (404) sleeved on the rotating shaft (405);

and the motor (401) is arranged outside one of the mounting plates (402), and an output shaft of the motor (401) is connected with one end of the rotating shaft (405).

7. A double deck vibratory screen as set forth in claim 6, wherein: the cam (404) is provided with a plurality of cams, and the plurality of cams (404) are distributed on the rotating shaft (405) in a linear array.

8. A double deck vibratory screen as set forth in claim 6, wherein: the sieve plates (101) in the two sieve assemblies (1) have different aperture, and the aperture of the sieve plate (101) positioned above is larger than that of the sieve plate (101) positioned below.

9. A double deck vibratory screen as set forth in claim 1, wherein: the inclination angle of the sieve plate (101) positioned above is 10 degrees, and the inclination angle of the sieve plate (101) positioned below is-10 degrees.

10. A double deck vibratory screen as set forth in claim 1, wherein: two pressing plates (102) are arranged above the same sieve plate (101), and the two pressing plates (102) are mutually symmetrical about the vertical center line of the sieve plate (101).