CN219785604U - Multistage screening device for calcium carbonate production - Google Patents

Abstract

The utility model discloses a multi-stage screening device for calcium carbonate production, which comprises a screening box, wherein a feed hopper is arranged on the left side of the top of the screening box, a screen is obliquely arranged in the screening box, a separation assembly is longitudinally arranged in the screening box, the separation assembly comprises a bottom partition plate and a lifting partition plate, the bottom partition plate and the lifting partition plate are respectively provided with three blocks, the bottom partition plate and the lifting partition plate are respectively positioned at the bottom and the top of the screen, the lifting assembly is arranged at the top of the screening box, a movable cleaning structure is arranged on the inner wall of the screening box, and a discharging door is arranged at the front end of the outer side of the screening box. This multistage screening device is used in calcium carbonate production is provided with and removes clearance structure, utilizes the combined action of lead screw in the removal clearance structure and outside servo motor, drives the removal of slider and cleaning roller, and the driving motor in the rethread driving block drives the rotation of cleaning roller, realizes removing the in-process and carries out clear effect to the screen cloth.

Description

Multistage screening device for calcium carbonate production

Technical Field

The utility model relates to the technical field of screening devices, in particular to a multi-stage screening device for calcium carbonate production.

Background

Calcium carbonate is also called limestone and stone powder, is a common chemical substance on the earth, belongs to inorganic salt minerals, is alkaline, is insoluble in water and is easy to dissolve in acid, and naturally exists in aragonite, calcite, chalk, limestone, marble, limestone and other rocks, and calcium carbonate with different sizes has application in different directions, so that the calcium carbonate can be screened according to different diameters in production.

In the existing screening device, most of the screening devices are not provided with cleaning structures, and after screening is finished, the screen mesh is easy to clamp on the screen mesh, so that the subsequent screening efficiency is reduced, and the existing structures are required to be improved.

Disclosure of Invention

The utility model aims to provide a multi-stage screening device for calcium carbonate production, which solves the problems that in the prior screening device, most of screening devices are not provided with a cleaning structure, and after screening is finished, a screen mesh is easy to clamp on a screen mesh, so that the subsequent screening efficiency is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multi-stage screening device for calcium carbonate production, comprising:

divide the sieve case, divide the left side of sieve case top to install the feeder hopper, divide the inside slope of sieve case to install the screen cloth, divide the interior longitudinal mounting of sieve case to separate the subassembly, separate the subassembly and include bottom baffle and lift baffle, bottom baffle and lift baffle are provided with three respectively, bottom baffle and lift baffle are located the bottom and the top of screen cloth respectively, the top of dividing the sieve case is equipped with the lift subassembly, divide to have seted up on the inner wall of sieve case and remove the clearance structure, divide the outside front end of sieve case to be equipped with the door of unloading.

As a further scheme of the utility model: the vibrating motor is embedded and installed in the outer frame of the screen, meshes of the screen are divided into three types, and the diameters of the meshes are gradually increased from left to right.

By adopting the technical scheme, the multistage screening effect is conveniently realized.

As a further scheme of the utility model: the bottom partition boards are aligned with the lifting partition boards in position, and a material collecting box is arranged between the bottom partition boards.

Through adopting above-mentioned technical scheme, play the supporting effect to the screen cloth to utilize the collection box to collect the calcium carbonate material that falls.

As a further scheme of the utility model: the lifting assembly comprises a hydraulic cylinder and a lifting frame, the hydraulic cylinder is arranged at the top of the screening box through the lifting frame, and a telescopic shaft of the hydraulic cylinder is connected with the lifting partition plate.

Through adopting above-mentioned technical scheme, realize the lift effect of lift baffle for the material can fully sieve before moving to the right.

As a further scheme of the utility model: the movable cleaning structure comprises a sliding groove, a screw rod, cleaning rollers, sliding blocks, driving blocks and driving motors, wherein the sliding groove is formed in the front wall and the rear wall of the inside of the screening box, the screw rod is arranged in the sliding groove, the screw rod penetrates through the sliding blocks, and the cleaning rollers are rotatably arranged between the sliding blocks.

Through adopting above-mentioned technical scheme, realize the material clearance effect to blocking on the screen cloth.

As a further scheme of the utility model: the outside right side of dividing the sieve case is equipped with servo motor, and servo motor's output shaft and lead screw butt joint, the front end the inboard of slider is equipped with the drive block, be equipped with driving motor in the drive block, and driving motor's output shaft and cleaning roller pivot butt joint.

By adopting the technical scheme, the driving effect on the screw rod and the cleaning roller is realized.

Compared with the prior art, the utility model has the beneficial effects that: the multi-stage screening device for calcium carbonate production,

the movable cleaning structure is arranged, the combined action of the screw rod in the movable cleaning structure and an external servo motor is utilized to drive the sliding block and the cleaning roller to move, and the driving motor in the driving block is used for driving the cleaning roller to rotate, so that the effect of cleaning the screen in the moving process is realized;

in addition, this multistage screening device for calcium carbonate production still is provided with lift baffle and lifting unit, utilizes lifting unit to drive the activity of lift baffle, and when the material piled up more sieves, the lift baffle descends earlier and blocks the follow-up, and the screening is accomplished the back and is lifted again for the material continues to remove to the right, avoids less material to roll along with whole material in the collection box on right side.

Drawings

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic side cross-sectional view of the cleaning roller, slider, drive block and drive motor of the present utility model;

fig. 3 is a schematic diagram of the front view structure of the present utility model.

In the figure: 1. the device comprises a screening box, 2, a feed hopper, 3, a screen, 4, a vibrating motor, 5, a bottom partition board, 6, a lifting partition board, 7, a material collecting box, 8, a hydraulic cylinder, 9, a lifting frame, 10, a chute, 11, a screw rod, 12, a cleaning roller, 13, a sliding block, 14, a driving block, 15, a driving motor, 16 and a discharging door.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: a multi-stage screening device for calcium carbonate production, comprising:

the screening box 1, the feeder hopper 2 is installed on the left side of the top of the screening box 1, the screen 3 is obliquely installed in the screening box 1, the separation component is longitudinally installed in the screening box 1 and comprises a bottom partition plate 5 and a lifting partition plate 6, the bottom partition plate 5 and the lifting partition plate 6 are respectively provided with three blocks, the bottom partition plate 5 and the lifting partition plate 6 are respectively positioned at the bottom and the top of the screen 3, the lifting component is arranged at the top of the screening box 1, the inner wall of the screening box 1 is provided with a movable cleaning structure, and the front end of the outer side of the screening box 1 is provided with a discharging door 16;

when the novel screening machine is used, firstly, calcium carbonate materials are placed into the screening box 1 through the feed hopper 2, each lifting partition plate 6 in the screening box 1 is in a descending state, the materials are subjected to preliminary screening in a left area, fine materials fall down, a timer is further arranged in the screening box 1, after the specified time, the left lifting assembly is started to drive the left lifting partition plate 6 to lift, the materials roll right, the follow-up screening process is carried out, after all screening is finished, the materials which are not screened fall into the right-most aggregate box 7, and after the screening is finished, the screen 3 can be cleaned by starting a movable cleaning structure.

Referring to fig. 1, further, a vibrating motor 4 is embedded in the outer frame of the screen 3, the meshes of the screen 3 are three, and the diameters of the meshes are increased from left to right;

when the material falls onto the screen 3, the vibration motor 4 is started to generate vibration, so that the screening process of the material is faster, the screening efficiency is improved, and the grading screening effect of the material is realized by increasing the diameter of the mesh.

Referring to fig. 1, further, the bottom partition plates 5 and the lifting partition plates 6 are aligned, and a material collecting box 7 is arranged between the bottom partition plates 5;

when more materials cannot be screened sufficiently, the lifting partition plate 6 falls down to slightly block the right moving speed of the materials, so that the fine materials are prevented from falling into the right aggregate box 7.

Referring to fig. 1, further, the lifting assembly includes a hydraulic cylinder 8 and a lifting frame 9, the hydraulic cylinder 8 is installed at the top of the screening box 1 through the lifting frame 9, and a telescopic shaft of the hydraulic cylinder 8 is connected with the lifting partition 6;

when the lifting partition plate 6 needs to be lifted, the lifting partition plate 6 is driven to be lifted by the hydraulic cylinder 8 in the lifting frame 9, and the hydraulic cylinder 8 is electrically connected with the timer in the screening box 1.

Referring to fig. 1 and 2, further, the movable cleaning structure includes a chute 10, a screw rod 11, cleaning rollers 12, a slider 13, a driving block 14 and a driving motor 15, wherein the chute 10 is opened on the front and rear walls of the inside of the screening box 1, the screw rod 11 is installed in the chute 10, the screw rod 11 penetrates through the slider 13, and the cleaning rollers 12 are rotatably installed between the sliders 13;

when cleaning is needed, the screw rod 11 rotates to drive the sliding block 13 to move left and right, and then the cleaning roller 12 is driven to move from the surface of the screen 3, so that the cleaning effect is realized.

Referring to fig. 1 and 2, further, a servo motor is disposed on the right side of the outside of the screening box 1, an output shaft of the servo motor is in butt joint with the screw rod 11, a driving block 14 is disposed on the inner side of the slider 13 at the front end, a driving motor 15 is disposed in the driving block 14, and an output shaft of the driving motor 15 is in butt joint with a rotating shaft of the cleaning roller 12;

the servo motor provides power support for the rotation of the screw rod 11, and the driving motor 15 provides power for the rotation of the cleaning roller 12, so that the two mutually cooperate to realize a transverse cleaning process.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present utility model.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The utility model provides a calcium carbonate production is with multistage screening device which characterized in that, calcium carbonate production is with multistage screening device includes:

divide sieve case (1), divide sieve case (1) top left side to install feeder hopper (2), divide the inside slope of sieve case (1) to install screen cloth (3), divide and vertically install partition assembly in sieve case (1), partition assembly includes bottom baffle (5) and lift baffle (6), bottom baffle (5) and lift baffle (6) are provided with three respectively, bottom baffle (5) and lift baffle (6) are located the bottom and the top of screen cloth (3) respectively, divide the top of sieve case (1) to be equipped with the lifting unit, divide and offered on the inner wall of sieve case (1) and remove clearance structure, divide the outside front end of sieve case (1) to be equipped with discharge door (16).

2. The multi-stage screening device for calcium carbonate production according to claim 1, wherein: the vibrating motor (4) is embedded and installed in the outer frame of the screen (3), meshes of the screen (3) are divided into three types, and the diameters of the meshes are gradually increased from left to right.

3. The multi-stage screening device for calcium carbonate production according to claim 2, wherein: the bottom partition plates (5) are aligned with the lifting partition plates (6), and a material collecting box (7) is arranged between the bottom partition plates (5).

4. A multi-stage screening apparatus for calcium carbonate production according to claim 3, wherein: the lifting assembly comprises a hydraulic cylinder (8) and a lifting frame (9), the hydraulic cylinder (8) is arranged at the top of the screening box (1) through the lifting frame (9), and a telescopic shaft of the hydraulic cylinder (8) is connected with the lifting partition plate (6).

5. The multi-stage screening device for calcium carbonate production according to claim 4, wherein: the movable cleaning structure comprises a sliding groove (10), a screw rod (11), cleaning rollers (12), sliding blocks (13), driving blocks (14) and driving motors (15), wherein the sliding groove (10) is formed in the front wall and the rear wall of the inside of the screening box (1), the screw rod (11) is arranged in the sliding groove (10), the screw rod (11) penetrates through the sliding blocks (13), and the cleaning rollers (12) are rotatably arranged between the sliding blocks (13).

6. The multi-stage screening device for calcium carbonate production according to claim 5, wherein: the outside right side of dividing sieve case (1) is equipped with servo motor, and servo motor's output shaft and lead screw (11) butt joint, the front end the inboard of slider (13) is equipped with drive block (14), be equipped with driving motor (15) in drive block (14), and the output shaft and the pivot butt joint of cleaning roller (12) of driving motor (15).