Perlite ore grading vibrating screen

Abstract

The utility model relates to the technical field of perlite processing, and discloses a perlite ore sand grading vibrating screen which comprises a screening cylinder. The sorting assembly comprises sieve plates, scraping plates, a vertical shaft, a poke rod, a protruding block and connecting rings, the sieve plates are fixedly installed on the inner wall of the screening barrel, the vertical shaft is rotationally connected with the screening barrel, a motor is arranged at the top of the screening barrel to drive the vertical shaft, the connecting rings are fixedly installed on the wall face of the vertical shaft, and the same scraping plates are fixedly installed on the side walls of the connecting rings; inclined poke rods continuously collide with all the protruding blocks, a sieve plate generates certain vibration, then vibration screening of the sieve plate is promoted, in the rotating process of a vertical shaft, the vertical shaft drives a connecting ring and a scraper to rotate, the scraper can scrape and drive material residues on the sieve plate and promote the material residues to be discharged from a residue discharging groove, motion interference between the scraper and the protruding blocks can be reduced, and the screening efficiency is improved. And operation stability is guaranteed, efficiency is high, and the effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of perlite processing, in particular to a perlite ore sand grading vibrating screen. Background Art

[0002] Before drying and preheating perlite, it is necessary to screen and classify it to separate particles of different size grades.

[0003] The prior art with the publication number CN218902635U discloses a perlite ore sand grading vibrating screen, which includes a screening tank. The upper end of the screening tank is provided with a feed inlet, and the lower end of the screening tank is provided with a lower discharge outlet. A screen is arranged in the screening tank, a rotating shaft penetrates through the screening tank, a paddle is correspondingly arranged above the screen, a rotating sleeve is arranged at one end of the paddle, the rotating sleeve is sleeved on the rotating shaft through a spline groove, a limiting ring corresponding to the rotating sleeve is sleeved on the rotating shaft, a spring is arranged between the rotating sleeve and the limiting ring, a convex strip corresponding to the paddle is arranged on the screen, the cross-sectional shape of the convex strip is semicircular, and a material passing groove corresponding to the screen is opened on the side wall of the screening tank; A plurality of screens are arranged in the vertical direction, and the screen holes of each screen gradually become smaller from top to bottom.

[0004] In the prior art, the screen is vibrated by the impact of the paddle and the convex strip. However, the convex strip is arranged on the screening surface of the screen, and the paddle cannot always fit the screen, which limits the cleaning effect of the paddle on the screen. That is, the slag at the position of the convex strip is difficult to be scraped and cleaned by the paddle. Repeated impacts will also accelerate the damage of the paddle, resulting in too fast attenuation of the cleaning effect of the paddle, and there is a certain room for optimization.

[0005] Therefore, we propose a perlite ore sand grading vibrating screen. Content of the Utility Model

[0006] The utility model mainly solves the technical problem that the paddle is easily damaged by hitting the convex strip and the cleaning effect is not good, and provides a perlite ore sand grading vibrating screen.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme. A perlite ore sand grading vibrating screen includes:

[0008] A screening cylinder, which is a cylindrical structure for loading materials. A feed hopper for feeding is fixedly installed at the top of the screening cylinder, a discharge pipe for discharging materials is fixedly installed at the bottom of the screening cylinder, and a plurality of slag discharge grooves for discharging slag are fixedly arranged on the side wall of the screening cylinder;

[0009] A sorting component is arranged in the cavity of the screening drum for multi-stage screening of materials. The sorting component includes a screen plate, a scraper, a vertical shaft, a toggle rod, a protrusion and a connecting ring. A plurality of screen plates are fixedly installed on the inner wall of the screening drum. The vertical shaft is rotatably connected to the screening drum. A motor-driven vertical shaft is provided on the top of the screening drum. A plurality of connecting rings are fixedly installed on the wall of the vertical shaft. The side wall of each connecting ring is fixedly installed with the same scraper, which can clean the top of the screen plate. The toggle rod is fixedly connected to the connecting ring, the protrusion is fixedly connected to the screen plate, and the toggle rod can hit the protrusion to cause the screen plate to vibrate.

[0010] As a preferred embodiment of the utility model, the sieve plate forms a hollow truncated cone structure, the larger port of the sieve plate is arranged downward, and a plurality of sieve holes are formed on the circumferential surface of the sieve plate.

[0011] As a preferred embodiment of the present invention, the connecting ring forms an annular structure, and the scraper is fixedly connected to the circumferential surface of the connecting ring.

[0012] As a preferred embodiment of the present invention, the motor is fixedly mounted on the outer top surface of the screening drum, and the vertical shaft is fixedly connected to the output shaft of the motor.

[0013] As a preferred embodiment of the utility model, the toggle rod forms a rectangular rod structure, the toggle rod is fixedly mounted on the lower end surface of the connecting ring and extends obliquely toward the screen plate, the protrusion forms a half-cylindrical structure, the arc surface of the protrusion faces the toggle rod, and a number of identical protrusions are equidistantly arranged on the upper end surface of the screen plate.

[0014] As a preferred embodiment of the utility model, the sorting component also includes a resistance plate and a sliding channel. The sliding channel is opened at the bottom of the scraper. The resistance plate is located in the sliding channel and is elastically connected to the scraper. The resistance plate can resist the circumferential surface of the screen plate.

[0015] As a preferred embodiment of the utility model, the contact plate forms a rectangular rod structure, the sliding channel and the contact plate cooperate with each other, the contact plate and the sliding channel are slidingly connected, a spring is fixedly installed on the top surface of the contact plate, and the spring is fixedly connected to the inner top surface of the scraper.

[0016] The utility model provides a vibrating screen for grading pearlite sand. It has the following beneficial effects:

[0017] 1. This kind of perlite ore grading vibrating screen continuously hits each protrusion through the inclined toggle rod, so that the screen plate produces a certain vibration, thereby promoting the vibration screening of the screen plate. Secondly, during the rotation of the vertical axis, the vertical axis drives the connecting ring and the scraper to rotate. The scraper can scrape and drive away the slag on the screen plate, and promote the discharge of the slag from the slag discharge trough. Compared with the existing technology, it can reduce the movement interference between the scraper and the protrusion, ensure the stability of operation, the vibration frequency of the screen plate is higher, and multiple screen plates are screened step by step, with high efficiency and good effect.

[0018] 2. This kind of perlite ore grading vibrating screen uses a spring to push the resistance plate to slide in the sliding channel. A number of integrally formed bristles are provided at the bottom of the resistance plate. The resistance plate can be made of metal or rubber. The resistance plate fully resists the top surface of the screen plate, and the screen holes of the screen plate are continuously cleaned during the vertical axis rotation to inhibit blockage, ensure the screening efficiency of the screen plate, and better drive the slag out of the slag discharge trough. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is one of the overall three-dimensional diagrams of the utility model;

[0020] Figure 2 This is the second overall stereogram of the utility model;

[0021] Figure 3 It is a partial cutaway view of the screening cylinder of the utility model;

[0022] Figure 4 This is a three-dimensional diagram of the sorting component of the utility model;

[0023] Figure 5 This is the assembly diagram of the contact plate and scraper of the utility model.

[0024] Legend: 10, screening cylinder; 11, feed hopper; 12, slag discharge chute; 13, discharge pipe; 20, sieve plate; 21, scraper; 22, vertical axis; 23, toggle rod; 24, bump; 25, connecting ring; 30, resistance plate; 31, sliding channel. DETAILED DESCRIPTION

[0025] A vibrating screen for classifying pearlite sand, such as Figure 1 and Figure 2 As shown, including:

[0026] The screening cylinder 10 is a cylindrical structure for loading materials. A feed hopper 11 for feeding is fixedly installed on the top of the screening cylinder 10, a discharge pipe 13 for discharging is fixedly installed on the bottom of the screening cylinder 10, and a plurality of slag discharge slots 12 for slag discharge are fixedly provided on the side wall of the screening cylinder 10. Ore sand is added to the chamber of the screening cylinder 10 through the feed hopper 11, and materials that meet the size are discharged from the discharge pipe 13, and particles with larger sizes are discharged from the slag discharge slot 12;

[0027] like Figure 3 and Figure 4As shown, the sorting assembly is arranged in the cavity of the screening cylinder 10 for multi-stage screening of materials. The sorting assembly includes a screen plate 20, a scraper 21, a vertical shaft 22, a toggle rod 23, a convex block 24 and a connecting ring 25. A plurality of screen plates 20 are fixedly installed on the inner wall of the screening cylinder 10. The vertical shaft 22 is rotatably connected to the screening cylinder 10. A motor-driven vertical shaft 22 is provided on the top of the screening cylinder 10. A plurality of connecting rings 25 are fixedly installed on the wall surface of the vertical shaft 22. The side wall of each connecting ring 25 is fixedly installed with the same scraper 21. The scraper 21 can clean the top of the screen plate 20. The toggle rod 23 is fixedly connected to the connecting ring 25. The sieve plate 20 is fixedly connected, the protrusion 24 is fixedly connected to the sieve plate 20, the toggle rod 23 can hit the protrusion 24 to make the sieve plate 20 vibrate, the sieve plate 20 forms a hollow truncated cone structure, the larger port of the sieve plate 20 is set downward, the circumferential surface of the sieve plate 20 is provided with a plurality of sieve holes, the connecting ring 25 forms an annular structure, the scraper 21 is fixedly connected to the circumferential surface of the connecting ring 25, the motor is fixedly installed on the outer top surface of the screening drum 10, the vertical shaft 22 is fixedly connected to the output shaft of the motor, the toggle rod 23 forms a rectangular rod structure, the toggle rod 23 is fixedly installed on the lower end surface of the connecting ring 25 and faces the sieve plate 20 The protrusion 24 is inclined and extends, and forms a half-cylindrical structure. The arc surface of the protrusion 24 faces the toggle rod 23. A plurality of identical protrusions 24 are equidistantly arranged on the upper end surface of the screen plate 20. In this scheme, the motor needs to be connected to the power supply, and the vertical shaft 22 is driven by the motor to rotate, and the vertical shaft 22 drives the toggle rod 23 to move synchronously in a circular motion. The inclined toggle rod 23 continuously hits each protrusion 24, so that the screen plate 20 generates a certain vibration, thereby promoting the vibration screening of the screen plate 20. Secondly, during the rotation of the vertical shaft 22, the vertical shaft 22 drives the connecting ring 25 and the scraper 21 to rotate, and the scraper 2 1 can scrape and drive away the slag on the sieve plate 20, and promote the discharge of the slag from the slag discharge groove 12. Compared with the prior art, it can reduce the movement interference between the scraper 21 and the protrusion 24, ensure the stability of operation, the vibration frequency of the sieve plate 20 is higher, and multiple sieve plates 20 are screened step by step, with high efficiency and good effect. It should be noted that the sieve plate 20 is located on one side of the slag discharge groove 12, and the low-lying part on the top of the sieve plate 20 needs to be flush with the slag discharge groove 12 or slightly higher than the port position of the slag discharge groove 12 to facilitate slag discharge. Three sieve plates 20 are arranged, and each sieve plate 20 has a different mesh number, so as to realize multi-stage screening from top to bottom.

[0028] like Figure 5As shown, the sorting component also includes a contact plate 30 and a sliding channel 31. The sliding channel 31 is provided at the bottom of the scraper 21. The contact plate 30 is located in the sliding channel 31 and is elastically connected to the scraper 21. The contact plate 30 can contact the circumferential surface of the screen plate 20. The contact plate 30 forms a rectangular rod structure. The sliding channel 31 and the contact plate 30 cooperate with each other. The contact plate 30 is slidably connected to the sliding channel 31. A spring is fixedly installed on the top surface of the contact plate 30. The spring is in contact with the top of the scraper 21. As a supplement to the above scheme, the contact plate 30 is pushed by a spring to slide in the sliding channel 31. A number of integrally formed bristles are provided at the bottom of the contact plate 30. The contact plate 30 can be made of metal or rubber. The contact plate 30 fully contacts the top surface of the sieve plate 20. During the rotation of the vertical axis 22, the sieve holes of the sieve plate 20 are continuously cleaned to inhibit blockage, ensure the screening efficiency of the sieve plate 20, and better drive the slag out of the slag discharge trough 12.

[0029] The working principle of the utility model is as follows: ore sand is added into the chamber of the screening cylinder 10 through the feed hopper 11, the vertical shaft 22 is driven to rotate by a motor, the vertical shaft 22 drives the toggle rod 23 to perform synchronous circular motion, the inclined toggle rod 23 continuously hits each protrusion 24, so that the screen plate 20 generates a certain vibration, thereby promoting the vibration screening of the screen plate 20, and the contact plate 30 is pushed to slide in the sliding channel 31 by a spring. A plurality of integrally formed bristles are provided at the bottom of the contact plate 30, and the contact plate 30 can be made of metal or rubber. The contact plate 30 fully contacts the top surface of the screen plate 20, and the sieve holes of the screen plate 20 are continuously cleaned during the rotation of the vertical shaft 22, thereby suppressing blockage and driving the slag to be discharged from the slag discharge trough 12, and the material that meets the size is discharged from the discharge pipe 13.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A perlite ore sand grading vibrating screen, characterized in that, include: A screening cylinder (10) is a cylindrical structure for loading materials, a feeding hopper (11) for feeding materials is fixedly installed on the top of the screening cylinder (10), a discharge pipe (13) for discharging materials is fixedly installed on the bottom of the screening cylinder (10), and a plurality of slag discharge grooves (12) for discharging slag are fixedly provided on the side wall of the screening cylinder (10); A sorting assembly is arranged in the cavity of a screening drum (10) for multi-stage screening of materials. The sorting assembly comprises a screen plate (20), a scraper (21), a vertical shaft (22), a toggle rod (23), a convex block (24) and a connecting ring (25). A plurality of screen plates (20) are fixedly mounted on the inner wall of the screening drum (10). The vertical shaft (22) is rotatably connected to the screening drum (10). A motor-driven vertical shaft (22) is provided at the top of the screening drum (10). A plurality of connecting rings (25) are fixedly mounted on the wall surface of the vertical shaft (22). The side wall of each connecting ring (25) is fixedly mounted with the same scraper (21). The scraper (21) can clean the top of the screen plate (20). The toggle rod (23) is fixedly connected to the connecting ring (25). The convex block (24) is fixedly connected to the screen plate (20). The toggle rod (23) can hit the convex block (24) to vibrate the screen plate (20).

2. The perlite ore sand grading vibrating screen according to claim 1, wherein: The sieve plate (20) forms a hollow truncated cone structure, the larger end of the sieve plate (20) is arranged downward, and a plurality of sieve holes are provided on the circumferential surface of the sieve plate (20).

3. The perlite ore sand grading vibrating screen according to claim 1, characterized in that: The connecting ring (25) forms an annular structure, and the scraper (21) is fixedly connected to the circumferential surface of the connecting ring (25).

4. The perlite ore sand grading vibrating screen according to claim 1, wherein: The motor is fixedly mounted on the outer top surface of the screening drum (10), and the vertical shaft (22) is fixedly connected to the output shaft of the motor.

5. The perlite ore sand grading vibrating screen according to claim 1, wherein: The toggle rod (23) forms a rectangular rod structure, the toggle rod (23) is fixedly mounted on the lower end surface of the connecting ring (25) and extends obliquely toward the sieve plate (20), the protrusion (24) forms a semi-cylindrical structure, the arc surface of the protrusion (24) faces the toggle rod (23), and a plurality of identical protrusions (24) are equidistantly arranged on the upper end surface of the sieve plate (20).

6. The perlite ore sand grading vibrating screen according to claim 1, wherein: The sorting component further comprises a resistance plate (30) and a sliding channel (31); the sliding channel (31) is provided at the bottom of the scraper plate (21); the resistance plate (30) is located in the sliding channel (31) and is elastically connected to the scraper plate (21); the resistance plate (30) is capable of resisting the circumferential surface of the screen plate (20).

7. The perlite ore sand grading vibrating screen according to claim 6, characterized in that: The contact plate (30) forms a rectangular rod structure, the sliding channel (31) and the contact plate (30) are used in cooperation with each other, the contact plate (30) and the sliding channel (31) are slidably connected, a spring is fixedly mounted on the top surface of the contact plate (30), and the spring is fixedly connected to the inner top surface of the scraper (21).

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