CN219273657U - Vibrating screen - Google Patents

Abstract

The utility model discloses a vibrating screen, which comprises a machine base and screen frames, wherein a plurality of springs are fixedly arranged at the upper end of the machine base in a circular array distribution manner, a plurality of screen frames are arranged at the top of the machine base, the screen frames are sequentially stacked from top to bottom, and the bottom of the screen frame at the lowest part is fixedly connected with the tops of the springs; the screen frame includes: a plurality of with a rim strip the same as rim quantity sets up in every the top of rim, and fixed connection, through a rim strip of top installation at the rim to set up the opening in one side of a rim strip, set up the recess in its inboard, thereby utilize opening and recess to bear fixedly to the screen cloth, and then follow-up when dismantling and changing certain layer screen cloth, only need pull out the screen cloth from the opening part of a rim strip through dismantling the beam ring of this layer, change or clear up can, this change mode is convenient and efficient, need not simultaneously dismantle the whole of shale shaker.

Description

Vibrating screen

Technical Field

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

Background

The vibrating screen works by utilizing reciprocating rotary vibration generated by vibrator excitation. The upper rotary weight of the vibrator makes the screen surface produce plane rotary vibration, while the lower rotary weight makes the screen surface produce conical surface rotary vibration, and the combined effect of the upper rotary weight and the lower rotary weight makes the screen surface produce compound rotary vibration. The vibration track is a complex space curve. The curve is projected as a circle on the horizontal plane and as an ellipse on the vertical plane. The vibration force of the upper and lower rotary weights is adjusted to change the amplitude. And the curve shape of the movement track of the screen surface and the movement track of the material on the screen surface can be changed by adjusting the space phase angles of the upper heavy hammer and the lower heavy hammer.

The aluminum sulfate water purifying agent is a compound high polymer, the molecular structure is huge, the adsorption capacity is strong, the water purifying effect is superior to that of all traditional inorganic water purifying agents, the flocculating constituent formed after raw water is put into is large, the precipitation speed is high, the activity is high, the filterability is good, a vibrating screen is needed in the process of processing the aluminum sulfate water purifying agent, the circular vibrating screen is a machine commonly used in the production process of the aluminum sulfate water purifying agent, the installation step of the screen is the existing circular vibrating screen, the screen is usually needed to be cut firstly, the screen is needed to be flatly placed on the net frame when being installed after being cut, then the screen can be tensioned and nailed together by two persons, the screen is fixed in the screen frame, and as the screens with different size apertures are all installed on each screen frame, once the screen in the screen frame of a certain layer is blocked, or the screen frame with other apertures is needed to be removed integrally after being replaced, the screen can be cleaned, and the installation mode of the screen is tedious and inconvenient.

Accordingly, it is necessary to invent a vibrating screen to solve the above problems.

Disclosure of Invention

The utility model aims to provide a vibrating screen, which solves the defects in the technology.

In order to achieve the above object, the present utility model provides the following technical solutions: the vibrating screen comprises a machine base and screen frames, wherein a plurality of springs are fixedly arranged at the upper end of the machine base in a circular array distribution mode, a plurality of screen frames are arranged at the top of the machine base, the screen frames are sequentially stacked from top to bottom, and the bottom of the lowest screen frame is fixedly connected with the tops of the springs;

the screen frame includes:

the first edge strips are arranged at the top of each screen frame and fixedly connected, and the inner diameters of the first edge strips are equal to the inner diameters of the screen frames;

the opening is arranged at one side of the first edge strip and is in a penetrating structure;

the grooves are arranged on the inner sides of the first edge strips, the grooves are symmetrical to the openings, and the grooves are connected with the front ends of the two sides of the openings;

the screen is arranged in the first edge strip, and a bulge is fixedly arranged outside one side of the screen;

the machine seat, the screen frame and the screen are coaxially distributed.

As a preferable scheme of the utility model, the opening is in a semi-annular structure, the groove is in a semi-annular structure, the inner diameters of the opening and the groove are the same as the inner diameter of the first edging strip and the inner diameter of the screen, and two ends of the opening are connected with two ends of the groove.

As the preferable scheme of the utility model, every two screen frames are stacked up and down, the bottom of the upper screen frame and the top of the lower screen frame are connected through the second edging strip, and the outside of the joint of the first edging strip and the second edging strip is sleeved with the binding ring.

As a preferable scheme of the utility model, a lock hoop is fixedly arranged at the interface of each binding ring, and the lock hoop adopts a screw rod connection structure.

As a preferable scheme of the utility model, a discharging channel is fixedly arranged on the outer wall of one side of each screen frame, and one end of the discharging channel penetrates through the inner wall of the screen frame.

As a preferable scheme of the utility model, at least three universal wheels are fixedly arranged at the bottom of the base in a circular array distribution, a plurality of pad feet are arranged at the bottom of the base in a threaded manner, and each pad foot is respectively positioned at one side of each universal wheel.

In the technical scheme, the utility model has the technical effects and advantages that:

1. the first edge strip is arranged at the top of the screen frame, the opening is formed in one side of the first edge strip, and the groove is formed in the inner side of the first edge strip, so that the screen is carried and fixed by the opening and the groove, and then when a certain screen layer is detached and replaced later, the screen is pulled out from the opening of the first edge strip to be replaced or cleaned only by detaching the binding ring of the layer;

2. through setting up No. two edge strips, and then when two reel stacks, utilize the bundle ring to connect fixedly to No. one edge strip and No. two edge strips of two reel tops and bottom, because the inboard of bundle ring is U-shaped structure to can carry out the block to the outside of No. one edge strip and No. two edge strips, thereby prevented that the screen cloth from removing in the open position, play the fixed effect of separation to the screen cloth.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a first perspective view of the overall structure of the present utility model;

FIG. 2 is a second perspective view of the overall structure of the present utility model;

FIG. 3 is an exploded view of the overall structure of the present utility model;

FIG. 4 is a perspective view of a screen frame of the present utility model from a first perspective;

fig. 5 is a second perspective view of the screen frame of the present utility model.

Reference numerals illustrate:

1. a base; 2. a spring; 3. a screen frame; 4. a first edge strip; 5. a discharge channel; 6. a screen; 7. a protrusion; 8. an opening; 9. a groove; 10. a collar; 11. locking a hoop; 12. a universal wheel; 13. foot pads; 14. and No. two along the edge strip.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The utility model provides a vibrating screen as shown in figures 1-5, which comprises a machine base 1 and screen frames 3, wherein a plurality of springs 2 are fixedly arranged at the upper end of the machine base 1 in a ring-shaped array, a plurality of screen frames 3 are arranged at the top of the machine base 1, the screen frames 3 are used for installing the positions of screen meshes 6, simultaneously guiding filtered aluminum sulfate, the screen frames 3 are sequentially stacked from top to bottom, the spacing of each layer of screen meshes 6 is kept fixed by arranging a plurality of layers of screen frames 3, namely, multi-layer filtering is realized, and the bottom of the screen frame 3 at the lowest part is fixedly connected with the tops of the plurality of springs 2;

the screen frame 3 includes:

the first edge strips 4 which are the same in number as the screen frames 3 are arranged at the top of each screen frame 3 and fixedly connected, the screen 6 is carried and fixed by the first edge strips 4, and the inner side diameter of the first edge strips 4 is equal to the inner side diameter of the screen frames 3;

the opening 8 is arranged at one side of the first edging strip 4, and the opening 8 is in a penetrating structure, so that the screen 6 is conveniently inserted into the first edging strip 4 from the opening 8;

the groove 9 is arranged on the inner side of the first edging strip 4, one side of the screen 6 is carried through the groove 9, the groove 9 and the opening 8 are mutually symmetrical, and the front ends of the two sides of the groove 9 and the opening 8 are mutually connected;

the screen 6 is arranged in the first edging strip 4, and a bulge 7 is fixedly arranged outside one side of the screen 6;

the machine base 1, the screen frame 3 and the screen 6 are coaxially distributed.

Further, in the above technical scheme, the opening 8 is in a semi-annular structure, the groove 9 is in a semi-annular structure, the inner diameters of the opening 8 and the groove 9 are the same as the inner diameter of the first bead 4 and the inner diameter of the screen 6, and two ends of the opening 8 are connected with two ends of the groove 9.

Further, in the above technical scheme, every two screen frames 3 are piled up from top to bottom, and the bottom of upside screen frame 3 and the top of downside screen frame 3 are connected through No. two along the strake 14, and No. one along the strake 4 and No. two along the junction outside of strake 14 has cup jointed and has restrainted ring 10, through setting up No. two along the strake 14, and then be convenient for restraint ring 10 and carry out the block to the screen frame 3 of piling up fixedly.

Furthermore, in the above technical solution, the lock hoop 11 is fixedly installed at the interface of each bundle ring 10, and the lock hoop 11 adopts a screw connection structure.

Further, in the above technical scheme, the outer wall of one side of each screen frame 3 is fixedly provided with a discharging channel 5, one end of the discharging channel 5 penetrates through the inner wall of the screen frame 3, and aluminum sulfate filtered on each screen frame 3 is discharged through the discharging channel 5.

Further, in the above technical scheme, the bottom of the stand 1 is the annular array and distributes and fixedly installs at least three universal wheels 12, sets up the whole removal of this machine of universal wheel 12 convenience, and the bottom screw thread of stand 1 installs a plurality of pad foot 13, and the pad foot 13 of screw thread installation can carry out the altitude mixture control to through the regulation to pad foot 13, support the bottom of the device, and every pad foot 13 is located one side of every universal wheel 12 respectively.

When the vibrating screen provided by the utility model is used, the working process is as follows:

when the vibrating screen is installed, the number of screen frames 3 is selected according to the requirement, then, screens 6 with different apertures and equal numbers are selected according to the aperture size of screened aluminum sulfate and the number of the screen frames 3, the screens 6 with different apertures are sequentially ordered from top to bottom according to the aperture size, namely, the screen 6 with the largest aperture is installed on the screen frame 3 at the top, the screen 6 with the smallest aperture is installed on the screen frame 3 at the bottom, as the first rim strip 4 is installed at the top of each screen frame 3, the corresponding screen 6 is inserted into the first rim strip 4 through an opening 8, after the other side of the screen 6 is clamped with a groove 9 at the inner side of the first rim strip 4, the installation of the screen 6 is completed, after all the screens 6 are installed, all the screen frames 3 are stacked and installed above the base 1 in a stacking manner, and the second rim strip 14 at the bottom of each screen frame 3 is connected with the first rim strip 4 at the first rim strip 14 at the top of the second rim strip 3 through a ring 10, the second rim strip 10 is fastened with the second rim strip 10, and the first rim strip 10 can be fastened and the second rim strip 11 is fastened;

when the screen 6 of a certain layer is required to be cleaned, or the screen 6 with other apertures is required to be replaced, the locking hoop 11 of the layer is only required to be loosened, the binding ring 10 is removed, as the bulge 7 is arranged on one side of each screen 6 and the bulge 7 is positioned at the position of the opening 8, the bulge 7 is manually clamped at the position of the opening 8, the screen 6 is pulled outwards, namely the screen 6 is removed, the screen 6 is replaced immediately, or the screen 6 is cleaned, then the screen 6 is reinstalled, the binding ring 10 is sleeved again, and the locking hoop 11 is screwed to be fixed, so that the replacement of the screen 6 for one time is completed quickly, the replacement mode of the structure is simple and convenient, and meanwhile, the screen frame 3 of each layer of the vibrating screen is not required to be disassembled.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims (5)

1. The utility model provides a shale shaker, includes frame (1) and reel (3), its characterized in that: the upper end of the machine base (1) is provided with a plurality of springs (2) in a circular array distribution and fixed, the top of the machine base (1) is provided with a plurality of screen frames (3), the screen frames (3) are sequentially stacked from top to bottom, and the bottom of the lowest screen frame (3) is fixedly connected with the tops of the springs (2);

the screen frame (3) comprises:

the first edge strips (4) are arranged at the top of each screen frame (3) and fixedly connected, and the inner diameters of the first edge strips (4) are equal to the inner diameters of the screen frames (3);

an opening (8) arranged at one side of the first edge strip (4), wherein the opening (8) is in a penetrating structure;

the grooves (9) are arranged on the inner side of the first edge strip (4), the grooves (9) are mutually symmetrical with the openings (8), and the grooves (9) are mutually connected with the front ends of the two sides of the openings (8);

the screen (6) is arranged in the first edge strip (4), and a bulge (7) is fixedly arranged outside one side of the screen (6);

every two screen frames (3) are stacked, the bottom of the upper screen frame (3) and the top of the lower screen frame (3) are connected through a second edging strip (14), and a binding ring (10) is sleeved outside the joint of the first edging strip (4) and the second edging strip (14);

the machine seat (1), the screen frame (3) and the screen (6) are coaxially distributed.

2. A vibrating screen according to claim 1, wherein: the opening (8) is of a semi-annular structure, the groove (9) is of a semi-annular structure, the inner diameters of the opening (8) and the groove (9) are the same as the inner diameter of the first edge strip (4) and the inner diameter of the screen (6), and two ends of the opening (8) are connected with two ends of the groove (9).

3. A vibrating screen according to claim 1, wherein: and a locking hoop (11) is fixedly arranged at the interface of each binding ring (10), and the locking hoops (11) adopt a screw rod connecting structure.

4. A vibrating screen according to claim 1, wherein: and a discharging channel (5) is fixedly arranged on the outer wall of one side of each screen frame (3), and one end of each discharging channel (5) penetrates through the inner wall of each screen frame (3).

5. A vibrating screen according to claim 1, wherein: the bottom of frame (1) is annular array distribution fixed mounting and has at least three universal wheel (12), the bottom screw thread of frame (1) is installed a plurality of pad foot (13), and every pad foot (13) are located one side of every universal wheel (12) respectively.

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